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Species in the Salish Sea
Note: The list below is incomplete. You can assess the extent of its coverage by examining the references we used to assign species to this ecosystem. Note, however, that there are too many species of invertebrates for
SeaLifeBase to provide you with complete species lists. You may be able to help us more on this list by sending us Internet sources or published references that we have not yet used for this ecosystem.
We will encode this material, and credit you for providing it.
[n= 2017]
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Species Name Family Habitat Length (cm) Trophic Level Status
Abarenicola pacifica Pacific neopolitan lugworm Arenicolidae benthic native
Abietinaria greenei Fibre-optic hydroid Sertulariidae pelagic native
Acanthodoris brunnea Brown spiny doris Onchidorididae benthic native
Acanthodoris hudsoni Hudson's horned dorid Onchidorididae benthic native
Acanthodoris lutea Orange-peel doris Onchidorididae benthic native
Acanthodoris nanaimoensis Wine-plumed doris Onchidorididae benthic native
Acanthodoris pilosa Hairy spiny doris Onchidorididae benthic native
Acantholithodes hispidus Fuzzy crab Lithodidae benthic native
Acanthoptilum gracile White sea pen Virgulariidae sessile native
Acarnus erithacus Red volcano sponge Acarnidae sessile native
Achelia gracilipes Ammotheidae benthic native
Acidostoma hancocki Lysianassidae benthic native
Acila castrensis Divaricate nutclam Veneridae benthic native
Acmaea mitra Dunce cap limpet Acmaeidae benthopelagic 2.0 native
Acrosiphonia coalita Green rope Acrosiphoniaceae sessile native
Acteocina culcitella Pillow barrel-bubble Cylichnidae benthic native
Acteocina eximia Intermediate barrel-bubble Cylichnidae demersal native
Actitis macularius Spotted sandpiper Scolopacidae others 3.7 native
Adalaria evincta Onchidorididae benthic native
Adalaria jannae Janna's dorid Onchidorididae benthic native
Adalaria proxima Yellow false doris Onchidorididae benthic native
Admete gracilior Slender Admete Cancellariidae benthic native
Adontorhina cyclia Circle axinopsid Thyasiridae benthic native
Adontorhina sphaericosa Inflated axinopsid Thyasiridae benthic native
Adula californiensis California datemussel Mytilidae benthic native
Aega symmetrica Aegidae host native
Aegina citrea Four tentacled jelly Aeginidae pelagic native
Aegires albopunctatus Salt-and-pepper doris Aegiridae benthic 3.0 native
Aeolidia papillosa Shag-rug aeolis Aeolidiidae benthic 3.6 native
Aequorea aequorea Many-ribbed jellyfish Aequoreidae pelagic native
Aequorea forskalea Aequoreidae pelagic native
Aequorea victoria Water jellyfish Aequoreidae pelagic 3.8 native
Aeropsis fulva Aeropsidae benthic native
Agardhiella subulata Agardh's red weed Areschougiaceae sessile native
Agarum clathratum Sea colander Delesseriaceae benthic native
Agarum fimbriatum Fringed sea colander kelp Delesseriaceae benthic native
Aglaja ocelligera Spotted Aglaja Aglajidae benthic native
Aglantha digitale Pink helmet Rhopalonematidae pelagic native
Aglaophenia struthionides Ostrichplume hydroid Aglaopheniidae pelagic native
Ahnfeltia fastigiata Wiry forked seaweed Ahnfeltiaceae benthic native
Ahnfeltia plicata Landlady's wig Ahnfeltiaceae sessile native
Alaria marginata Broad winged-kelp Alariaceae sessile native
Alcyonidium pedunculatum Smooth leather bryozoan Alcyonidiidae sessile native
Aldisa cooperi Cooper's Aldisa Cadlinidae benthic native
Aldisa sanguinea Blood-spot doris Cadlinidae benthic native
Aldisa tara King's Aldisa Cadlinidae benthic native
Alexandrium catenella Goniodomataceae epiphytic native
Algamorda newcombiana Newcomb's littorine snail Littorinidae benthic native
Alia carinata Carinate dovesnail Columbellidae benthic native
Alia gausapata Columbellidae benthic native
Alitta brandti Giant piling worm Nereididae benthic native
Allia nolani Paraonidae benthic native
Allorchestes angusta Hyalellidae benthic native
Alpheus bellimanus Olive snapping shrimp Alpheidae benthic native
Alpheus clamator Twistclaw pistol shrimp Alpheidae benthic native
Alvania compacta Rissoidae benthic native
Alvania rosana Santa Rosa alvania Rissoidae demersal native
Alvania sanjuanensis Rissoidae demersal native
Amaeana occidentalis Terebellidae benthic native
Amage anops Ampharetidae benthic native
Amathia gracilis Creeping bryozoan Vesiculariidae sessile native
Americhelidium rectipalmum Oedicerotidae benthic native
Americhelidium shoemakeri Oedicerotidae benthic native
Americhelidium variabilum Oedicerotidae benthic native
Americorophium salmonis Corophiidae benthic native
Ampelisca agassizi Ampeliscidae benthic native
Ampelisca brevisimulata Ampeliscidae benthic native
Ampelisca careyi Ampeliscidae benthic native
Ampelisca cristata Ampeliscidae benthic native
Ampelisca fageri Ampeliscidae benthic native
Ampelisca hancocki Ampeliscidae benthic native
Ampelisca lobata Ampeliscidae benthic native
Ampelisca pugetica Ampeliscidae benthic native
Ampelisca unsocalae Ampeliscidae benthic native
Ampharete finmarchica Ampharetidae benthic native
Ampharete labrops Ampharetidae benthic native
Ampheraster marianus Mariana's Island star Asteriidae benthic native
Amphicteis glabra Ampharetidae benthic native
Amphicteis mucronata Ampharetidae benthic native
Amphicteis scaphobranchiata Ampharetidae sessile native
Amphictene moorei Pectinariidae benthic native
Amphiglena pacifica Sabellidae benthic native
Amphilepis patens Amphilepididae benthic native
Amphinema platyhedos Pandeidae pelagic native
Amphiodia occidentalis Long-armed brittle star Amphiuridae benthic native
Amphiodia periercta Amphiuridae benthic native
Amphiodia urtica Amphiuridae benthic native
Amphiophiura pacifica Ophiuridae benthic native
Amphiophiura ponderosa Ophiuridae benthic native
Amphiophiura superba Ophiuridae reef-associated native
Amphioplus euryaspis Amphiuridae benthic native
Amphioplus macraspis Amphiuridae benthic native
Amphioplus strongyloplax Amphiuridae benthic native
Amphipholis pugetana Black and white brittle star Amphiuridae benthic native
Amphipholis squamata Dwarf brittle star Amphiuridae reef-associated 2.0 native
Amphiporus angulatus Chevron amphiporus Amphiporidae benthic native
Amphiporus bimaculatus Chevron ribbon worm Amphiporidae benthic native
Amphiporus californicus Amphiporidae benthic native
Amphiporus formidabilis White ribbon worm Amphiporidae benthic native
Amphiporus imparispinosus Pink-fronted ribbon worm Amphiporidae benthic native
Amphissa bicolor Two-tone Amphissa Columbellidae demersal native
Amphissa columbiana Wrinkled Amphissa Columbellidae benthic native
Amphissa reticulata Reticulate Amphissa Columbellidae native
Amphissa versicolor Variegate Amphissa Columbellidae benthic native
Amphiura arcystata Amphiuridae benthic native
Amphiura carchara Amphiuridae benthic native
Amphiura diomedeae Amphiuridae benthic native
Ampithoe lacertosa Sea lettuce sea flea Ampithoidae benthic native
Amplisiphonia pacifica Rhodomelaceae benthic native
Analipus japonicus Fir needle Scytosiphonaceae sessile native
Ancula gibbosa Atlantic ancula Goniodorididae benthic native
Anidolyta spongotheras Capshell Tylodinidae benthic native
Anisodoris lentiginosa Mottled pale sea-lemon Discodorididae benthic native
Anisodoris nobilis Pacific sea-lemon Discodorididae benthic native
Anisogammarus pugettensis Anisogammaridae benthic native
Annatiara affinis Pandeidae pelagic native
Anonyx laticoxae Uristidae benthic native
Anoplodactylus erectus Phoxichilidiidae benthic native
Anoplodactylus viridintestinalis Phoxichilidiidae benthic native
Antalis pretiosa Wampum tuskshell Dentaliidae benthic native
Antho graceae Red-brown encrusting sponge Microcionidae sessile native
Antho karykina Bright red sponge Microcionidae sessile native
Antho lambei Lambe's horny sponge Microcionidae sessile native
Anthopleura artemisia Moonglow anemone Actiniidae sessile native
Anthopleura elegantissima Clonal anemone Actiniidae sessile native
Anthopleura xanthogrammica Giant green anemone Actiniidae sessile native
Anthothela pacifica Dwarf white gorgonian Alcyoniidae sessile native
Aoroides columbiae Aoridae benthic native
Aoroides exilis Aoridae benthic native
Aoroides inermis Aoridae benthic native
Aoroides intermedius Aoridae benthic native
Aoroides spinosus Aoridae benthic native
Aphelochaeta marioni Cirratulidae benthic 2.0 native
Aphelochaeta monilaris Cirratulidae benthic native
Aphelochaeta multifilis Cirratulidae benthic 2.0 native
Aphelochaeta secunda Cirratulidae benthic native
Aphrocallistes vastus Cloud sponge Aphrocallistidae sessile native
Aphrodita japonica Aphroditidae benthic native
Aphrodita negligens Dishevelled sea-mouse Aphroditidae benthic native
Aphrodita parva Aphroditidae benthic native
Apistobranchus ornatus Apistobranchidae benthic native
Aplidiopsis pannosum Pale mushroom compound tunicate Polyclinidae sessile native
Aplidium californicum California sea pork Polyclinidae sessile native
Aplidium kottae Polyclinidae benthic native
Aplidium solidum Red Sea pork Polyclinidae sessile native
Aplysiopsis enteromorphae Enteromorpha-eating sapsucker Stiligeridae benthic native
Apomatus geniculata Pearl-topped calcareous worm Serpulidae sessile native
Apomatus timsii Pearl-topped calcareous tubeworm Serpulidae sessile native
Aporocidaris milleri Ctenocidaridae benthic native
Apostichopus californicus California sea cucumber Stichopodidae benthic native
Apostichopus leukothele Giant orange sea cucumber Stichopodidae benthic native
Arcteobia spinelytris Polynoidae benthic native
Arctonoe fragilis Fragile ruffled scaleworm Polynoidae benthic native
Arctonoe pulchra Polynoidae benthic native
Arctonoe vittata Red-banded commensal scaleworm Polynoidae benthic native
Arctonula arctica Romancheinidae sessile native
Arcuatula senhousia Green mussel Mytilidae benthic native
Ardea herodias Great blue heron Ardeidae others 4.4 native
Ardenna creatopus Pink-footed shearwater Procellariidae others 4.2 native
Argis alaskensis Alaska argid Crangonidae benthic native
Argis crassa Rough argid Crangonidae benthic native
Argis dentata Arctic argid Crangonidae benthic native
Argis lar Kuro shrimp Crangonidae benthic native
Argis levior Nelson argid Crangonidae benthic native
Argis ovifer Spliteye argid Crangonidae benthic native
Argulus borealis Flounder fish louse Argillite benthic native
Argulus pugettensis Surfperch fish louse Argillite benthic native
Arhynchite californicus Thalassematidae benthic native
Arhynchite pugettensis Thalassematidae benthic native
Aricidea lopezi Paraonidae benthic native
Aricidea minuta Paraonidae benthic 2.0 native
Aricidea neosuecica Paraonidae demersal native
Aricidea pacifica Paraonidae demersal native
Aricidea pseudoarticulata Paraonidae benthic native
Aricidea quadrilobata Paraonidae demersal native
Aricidea simplex Paraonidae demersal native
Aristias pacificus Aristiidae benthic native
Armandia brevis Opheliidae benthic native
Armina californica California armina Arminidae benthic 3.6 native
Artacama coniferi Terebellidae benthic native
Artacamella hancocki Terebellidae sessile native
Aruga holmesi Lysianassidae benthic native
Asabellides lineata Ampharetidae benthic native
Asabellides oculata Ampharetidae benthic native
Asbestopluma occidentalis Pipecleaner sponge Cladorhizidae sessile native
Ascidia callosa Sea blister Ascidiidae sessile native
Ascidia ceratodes California sea squirt Ascidiidae sessile native
Ascidia columbiana Sea blisters Ascidiidae sessile native
Ascidia paratropa Glassy tunicate Ascidiidae sessile native
Asclerocheilus beringianus Scalibregmatidae benthic native
Astarte elliptica Elliptical Astarte Astartidae benthic native
Astarte esquimalti Wavy-line Astarte Astartidae benthic native
Asteronyx loveni Asteronychidae benthic native
Asteroschema sublaeve Euryalidae benthic native
Astrocles actinodetus Brisingidae benthic native
Astrolirus panamensis Brisingidae benthic native
Astropecten verrilli California sand star Astropectinidae benthic native
Astyris gausapata Shaggy dovesnail Columbellidae benthic native
Atlanta californiensis Atlantidae pelagic native
Atolla wyvillei Wyville's crownjelly Atollidae pelagic native
Atylus collingi Atylidae benthic native
Atylus georgianus Atylidae benthic native
Aulactinia incubans Incubating anemone Actiniidae sessile native
Aurelia aurita Moon jelly Ulmaridae pelagic 3.3 native
Aurelia labiata Pacific moon jelly Ulmaridae benthopelagic 3.8 native
Autolytus magnus Noble necklace-worm Syllidae benthic native
Autolytus verrilli Syllidae benthic native
Axinopsida serricata Lenticular axinopsid Thyasiridae benthic native
Axiothella rubrocincta Maldanidae demersal native
Baeonectes improvisus Eurycopidae native
Balaenoptera acutorostrata Northern minke whale Balaenopteridae pelagic-neritic 4.2 native
Balaenoptera edeni Eden's whale Balaenopteridae pelagic 4.1 native
Balaenoptera physalus Fin whale Balaenopteridae pelagic 4.3 native
Balanophyllia elegans Orange stony coral Dendrophylliidae reef-associated native
Balanus crenatus Crenate barnacle Balanidae sessile 2.0 native
Balanus glandula Common acorn barnacle Balanidae sessile native
Balanus nubilis Giant acorn barnacle Balanidae sessile native
Balanus nubilus Balanidae sessile native
Balanus rostratus Rostrate barnacle Balanidae sessile native
Balticina californica Short sea whip Balticinidae sessile native
Balticina willemoesi Willemoes's white sea pen Balticinidae sessile native
Bankia setacea Feathery shipworm Teredinidae benthic native
Barantolla americana Capitellidae benthic native
Barentsia benedeni Pedicellinidae sessile native
Bathycrinus pacificus Bathycrinidae benthic native
Bathymedon caino Oedicerotidae benthic native
Bathymedon flebilis Oedicerotidae benthic native
Bathymedon nepos Oedicerotidae benthic native
Bathypera feminalba Tiny white tunicate Pyuridae sessile native
Batillaria attramentaria Japanese false cerith Batillariidae benthic introduced
Bentheogennema borealis Northern blunt-tail shrimp Benthesicymidae pelagic native
Bentheogennema burkenroadi Burkenroad blunt-tail shrimp Benthesicymidae pelagic native
Benthoctopus leioderma Smoothskin octopus Octopodidae benthic native
Benthopecten claviger Benthopectinidae benthic native
Benthopecten mutabilis Benthopectinidae benthic native
Berardius bairdii Baird's beaked whale Ziphiidae pelagic 4.5 native
Beroe abyssicola Beroidae pelagic native
Beroe forskalii Beroidae pelagic native
Beroe gracilis Beroidae pelagic-neritic 3.4 native
Beroe mitrata Beroidae pelagic native
Berthella californica California sidegill slug Pleurobranchidae benthic native
Berthella strongi Strong's sidegill Pleurobranchidae benthic native
Betaeus harrimani Northern hooded shrimp Alpheidae benthic native
Betaeus longidactylus Visored shrimp Alpheidae benthic native
Betaeus macginitieae Urchin visored shrimp Alpheidae benthic native
Betaeus setosus Fuzzy hooded shrimp Alpheidae benthic native
Betapista dekkerae Terebellidae benthic native
Bientalophora cylindrica Entalophoridae sessile native
Bittium attenuatum Slender bittium Cerithiidae benthic native
Bittium eschrichtii Threaded bittium Cerithiidae benthic native
Bittium munitum Cerithiidae demersal native
Bittium sanjuanense Cerithiidae demersal native
Blepharipoda occidentalis Spiny mole crab Albuneidae benthic native
Boccardia columbiana Spionidae benthic native
Boccardia polybranchia Spionidae benthic native
Boccardia pugettensis Spionidae benthic native
Boccardiella hamata Spionidae benthic native
Bolinopsis infundibulum Northern comb jelly Bolinopsidae pelagic 3.4 native
Boltenia echinata Spiny-tipped tunicate Pyuridae sessile native
Boltenia villosa Spiny-headed sea squirt Pyuridae sessile native
Bopyroides hippolytes Shrimp parasitic isopod Bopyridae host native
Boreotrophon multicostatus Ribbed trophon Muricidae benthic native
Boreotrophon orpheus Threaded trophon Muricidae benthic native
Botrylloides violaceus Purple colonial tunicate Styelidae sessile native
Botryllus schlosseri Golden star tunicate Styelidae sessile native
Botryocladia pseudodichotoma Sea grapes Rhodymeniaceae benthic native
Bougainvillia britannica Bougainvilliidae sessile native
Bougainvillia multitentaculata Bougainvilliidae pelagic native
Bougainvillia principis Bougainvilliidae pelagic native
Bougainvillia superciliaris Bougainvilliidae pelagic-neritic native
Bouvieraxius longipes Axiidae benthic native
Brachyramphus marmoratus Marbled murrelet Alcidae others 4.2 native
Brada sachalina Flabelligeridae benthic native
Branchioglossum woodii Delesseriaceae benthic native
Brania brevipharyngea Syllidae benthic native
Brisaster latifrons Northern heart urchin Schizasteridae benthic native
Bryopsis corticulans Bryopsidaceae benthic native
Buccinum plectrum Sinuous whelk Buccinidae benthic native
Bucephala albeola Bufflehead Anatidae others 3.4 native
Bucephala clangula Common goldeneye Anatidae others 3.8 native
Bucephala islandica Barrow's goldeneye Anatidae others 4.1 native
Bugula californica Moss animal Bugulidae sessile native
Bugula pacifica Bugulidae sessile native
Byblis millsi Ampeliscidae benthic native
Byblis mulleni Ampeliscidae benthic native
Byblis pearcyi Ampeliscidae benthic native
Byblis veleronis Ampeliscidae benthic native
Bythotiara huntsmani Tunicate siphon hydroid Bythotiaridae pelagic native
Cadlina flavomaculata Yellow-spot Cadlina Chromodorididae benthic native
Cadlina luteomarginata Yellow-edge Cadlina Chromodorididae benthic 3.0 native
Cadlina modesta Modest Cadlina Chromodorididae benthic native
Caecognathia sanctaecrucis Gnathiidae benthic native
Caecum crebricinctum Many-named Caecum Caecidae reef-associated native
Calcigorgia spiculifera Pink gorgonian Acanthogorgiidae sessile native
Calidris acuminata Sharp-tailed sandpiper Scolopacidae others 3.1 native
Calidris alba Sanderling Scolopacidae others 3.5 native
Calidris alpina Dunlin Scolopacidae others 3.3 native
Calidris bairdii Baird's sandpiper Scolopacidae others 3.3 native
Calidris canutus Red knot Scolopacidae others 3.5 native
Calidris himantopus Stilt sandpiper Scolopacidae others 3.2 native
Calidris mauri Western sandpiper Scolopacidae others 4.6 native
Calidris melanotos Pectoral sandpiper Scolopacidae others 4.4 native
Calidris minutilla Least sandpiper Scolopacidae others 3.2 native
Calidris ptilocnemis Rock sandpiper Scolopacidae others 3.6 native
Calidris pusilla Semipalmated sandpiper Scolopacidae others 3.1 native
Calliarthron tuberculosum Corallinaceae benthic native
Callinectes sapidus Blue crab Portunidae benthopelagic 4.0 native
Calliopius columbianus Calliopiidae benthic native
Calliopius pacificus Calliopiidae benthic native
Calliostoma annulatum Purple-ringed topsnail Calliostomatidae benthic 3.2 native
Calliostoma canaliculatum Channeled topsnail Calliostomatidae benthic native
Calliostoma ligatum Blue topsnail Calliostomatidae benthic 3.5 native
Calliostoma platinum Silvery topsnail Calliostomatidae benthic native
Calliostoma variegatum Variegate topsnail Calliostomatidae benthic native
Callithaca tenerrima Veneridae benthic native
Callithamnion pikeanum Beauty bush Ceramiaceae benthic native
Callophyllis haenophylla Kallymeniaceae benthic native
Callophyllis linearis Kallymeniaceae benthic native
Callorhinus ursinus Northern fur seal Otariidae bathydemersal 4.5 native
Calocarides spinulicauda Spiny-tailed lobster shrimp Axiidae benthic native
Calycopsis simulans Bythotiaridae pelagic native
Calyptraea fastigiata Pacific Chinese-hat Calyptraeidae sessile native
Campylaspis biplicata Nannastacidae demersal native
Campylaspis canaliculata Nannastacidae demersal native
Campylaspis crispa Nannastacidae demersal native
Campylaspis hartae Nannastacidae demersal native
Campylaspis rubromaculata Nannastacidae demersal native
Cancer amphioetus Japanese rock crab Cancridae benthic native
Cancer anthonyi Yellow rock crab Cancridae benthic native
Cancer gracilis Graceful rock crab Cancridae benthic 4.5 native
Cancer jordani Hairy rock crab Cancridae benthic native
Cancer productus Red rock crab Cancridae benthic 3.3 native
Capitella capitata Capitellidae benthic 2.0 native
Caprella alaskana Alaskan skeleton shrimp Caprellidae benthic native
Caprella ferrea Caprellidae benthic native
Caprella gracilior Caprellidae benthic native
Caprella irregularis Caprellidae benthic native
Caprella laeviuscula Caprellidae benthic native
Caprella mendax Caprellidae benthic native
Caprella pustulata Caprellidae benthic native
Caprella striata Caprellidae benthic native
Carcinus maenas Green crab Carcinidae benthic 3.5 introduced
Cardiomya californica Cuspidariidae benthic native
Cardiomya pectinata Pectinate Cardiomya Cuspidariidae benthic native
Cardiomya planetica Fine-rib Cardiomya Cuspidariidae benthic native
Caryophyllia alaskensis Tan cup coral Caryophylliidae reef-associated native
Catablema multicirratum Pandeidae pelagic native
Catablema nodulosa Pandeidae pelagic native
Catriona columbiana Red-tentacle cuthona Tergipedidae benthic native
Caulibugula californica Parasol bryozoan Bugulidae sessile native
Caulleriella bioculata Cirratulidae benthic native
Caulleriella hamata Cirratulidae benthic native
Cauloramphus echinus Hincksinidae sessile native
Cauloramphus spiniferum Hincksinidae sessile native
Cellaria diffusa Spindly rabbit-ear bryozoan Cellariidae sessile native
Celleporella hyalina Cosmopolitan Celleporella Hippothoidae sessile native
Cephalophoxoides homilis Phoxocephalidae benthic native
Cepphus columba Pigeon guillemot Alcidae others 4.2 native
Ceradocus spinicaudus Maeridae benthic native
Ceramaster arcticus Arctic cookie star Goniasteridae benthic native
Ceramaster clarki Deep-sea cookie star Goniasteridae benthic native
Ceramaster japonicus Red bat star Goniasteridae benthic native
Ceramaster patagonicus Orange cookie star Goniasteridae benthic native
Ceramium californicum Ceramiaceae benthic native
Ceramium codicola Staghorn felt Ceramiaceae benthic native
Ceramium pacificum Hairy pottery seaweed Ceramiaceae benthic native
Ceratonereis paucidentata Nereididae benthic native
Ceratophysa valvaecristata Pourtalesiidae benthic native
Ceratostoma foliatum Leafy hornmouth Muricidae benthic 3.2 native
Cerebratulus albifrons Lineidae benthic native
Cerebratulus californiensis Light-edged ribbon worm Lineidae benthic native
Cerebratulus herculeus Lineidae benthic native
Cerebratulus longiceps Lineidae benthic native
Cerebratulus montgomeryi Rose ribbon worm Lineidae benthic native
Cerithiopsis stejnegeri Cerithiopsidae benthic native
Cerithium munitum Cerithiidae benthic native
Cerorhinca monocerata Rhinoceros auklet Alcidae others 4.3 native
Chaetoderma robustum Chaetodermidae benthic native
Chaetomorpha linum Floating chaetomorpha Cladophoraceae epiphytic native
Chaetopterus variopedatus Fairy tubeworm Chaetopteridae benthic 2.0 native
Chaetozone spinosa Cirratulidae benthic native
Cheilonereis cyclurus Red-and-white-banded sea-nymph Nereididae benthic native
Cheirimedeia zotea Isaeidae benthic native
Chelyosoma columbianum Transparent disc-top tunicate Corellidae sessile native
Chelyosoma productum Disc-top tunicate Corellidae sessile native
Chione californiensis California venus Veneridae benthic native
Chionoecetes bairdi Tanner crab Oregoniidae benthic 3.1 native
Chionoecetes tanneri Grooved tanner crab Oregoniidae benthic native
Chiridota albatrossii Chiridotidae benthic native
Chirimia biceps Maldanidae demersal native
Chlamys behringiana Bering scallop Pectinidae benthic native
Chlamys hastata Spiny scallop Pectinidae benthic native
Chlamys rubida Reddish scallop Pectinidae benthic native
Chlidonias niger Black tern Laridae others 4.1 native
Chondracanthus exasperatus Turkish towel Gigartinaceae benthic native
Chondrochelia savignyi Leptocheliidae benthic native
Chondrus crispus Irish moss Gigartinaceae sessile native
Chone albocincta Sabellidae benthic native
Chone aurantiaca Orange feather-duster Sabellidae benthic native
Chone ecaudata Sabellidae benthic native
Chone magna Sabellidae benthic native
Chone minuta Minute feather-duster Sabellidae benthic native
Chone mollis Sabellidae benthic native
Choreocolax polysiphoniae Choreocolacaceae benthic native
Chorilia longipes Longhorn decorator crab Epialtidae benthic native
Chromopleustes lineatus Pleustidae benthic native
Chromopleustes oculatus Black-and-white sea flea Pleustidae benthic native
Chrysaora fuscescens Brown jellyfish Pelagiidae pelagic native
Chrysopetalum occidentale Chrysopetalidae benthic native
Chthamalus dalli Small acorn barnacle Chthamalidae host native
Cidarina cidaris Adam spiny margarite Trochidae benthic native
Ciliatocardium ciliatum Hairy cockle Cardiidae benthic native
Ciona savignyi Yellow-spotted sea squirt Cionidae sessile native
Circeis armoricana Serpulidae sessile native
Circeis spirillum Serpulidae sessile native
Cirolana harfordi Scavenging isopod Cirolanidae benthic native
Cirolana joanneae Cirolanidae benthic native
Cirratulus cingulatus Cirratulidae benthic native
Cirratulus robustus Cirratulidae benthic native
Cirratulus spectabilis Cirratulidae benthic native
Cirrophorus branchiatus Paraonidae benthic 2.0 native
Cladonema californicum Cladonematidae pelagic native
Clangula hyemalis Long-tailed duck Anatidae others 3.4 native
Clavelina huntsmani Lightbulb tunicate Clavelinidae sessile native
Clinocardium blandum Low-rib cockle Cardiidae benthic native
Clinocardium nuttallii Nuttall cockle Cardiidae benthic 2.0 native
Clio pyramidata Pyramid Clio Cavoliniidae pelagic native
Cliona californiana California boring horny sponge Clionaidae sessile native
Cliona celata Pumpkin colored sponge Clionaidae sessile native
Cliona lobata Lobate boring horny sponge Clionaidae sessile native
Clione limacina Common Clione Clionidae pelagic 3.4 native
Cliopsis krohnii Sea cherub Cliopsidae pelagic native
Clymenella torquata Bamboo worm Maldanidae sessile native
Clymenura columbiana Maldanidae benthic native
Clymenura gracilis Maldanidae benthic native
Clytia gregaria Gregarious jellyfish Campanulariidae pelagic native
Clytia johnstoni Campanulariidae benthic native
Cnemidocarpa finmarkiensis Shiny Red Sea squirt Styelidae sessile native
Coanicardita ventricosa Stout Cyclocardia Carditidae benthic native
Codium setchellii Spongy cushion Codiaceae benthic native
Colpomenia bullosa Scytosiphonaceae sessile native
Colpomenia peregrina Oyster thief Scytosiphonaceae sessile native
Colpomenia sinuosa Scytosiphonaceae epiphytic native
Compsomyax subdiaphana Milky venus Veneridae benthic native
Conchocele bisecta Giant cleftclam Thyasiridae benthic native
Constantinea simplex Cup and saucer seaweed Dumontiaceae benthic native
Constantinea subulifera Giant cup and saucer seaweed Dumontiaceae benthic native
Corella inflata Brooding transparent tunicate Corellidae sessile native
Corella willmeriana Solitary tunicate Corellidae sessile native
Corolla spectabilis Spectacular corolla Cymbuliidae pelagic native
Corophium salmonis Corophiidae benthic native
Corynactis californica Strawberry corallimorpharian Corallimorphidae sessile native
Cossura modica Cossuridae benthic native
Costaria costata Seersucker kelp Laminariaceae sessile native
Costazia ventricosa Rusty bryozoan Celleporidae sessile native
Crangon alaskensis Alaska shrimp Crangonidae benthic native
Crangon alba Stout Crangon Crangonidae benthic native
Crangon dalli Ridged Crangon Crangonidae benthic native
Crangon nigricauda Blacktail bay shrimp Crangonidae benthic native
Craniella arb Tetillidae sessile native
Craniella spinosa Spiny tennis ball sponge Tetillidae sessile native
Craniella villosa Tennis ball sponge Tetillidae sessile native
Cranopsis cucullata Hood puncturella Fissurellidae benthic native
Cranopsis multistriata Many-rib puncturella Fissurellidae demersal native
Crassadoma gigantea Giant rock-scallop Pectinidae benthic 2.0 native
Crassedoma giganteum Rock scallop Pectinidae benthic native
Crassicardia crebricostata Many-rib Cyclocardia Carditidae benthic native
Craterobrisingia synaptoma Brisingidae benthic native
Crenella decussata Cross-sculpture Crenella Mytilidae benthic native
Crepidula adunca Hooked slipper limpet Calyptraeidae benthic 3.9 native
Crepidula fornicata Slipper limpet Calyptraeidae benthic 2.0 native
Crepidula nummaria Western white slippersnail Calyptraeidae benthic native
Crepidula onyx Onyx slippersnail Calyptraeidae benthic native
Crepidula perforans White slippersnail Calyptraeidae benthic native
Crepipatella dorsata Pacific half-slippersnail Calyptraeidae benthic native
Crepipatella lingulata Calyptraeidae benthic native
Cribrilina annulata Cribrilinidae sessile native
Cribrinopsis fernaldi Chevron-tentacle anemone Actiniidae sessile native
Crisia occidentalis Crisiidae sessile native
Crossaster papposus Rose seastar Solasteridae benthic 3.4 native
Crossota rufobrunnea Rhopalonematidae pelagic native
Crucigera irregularis Irregular calcareous tubeworm Serpulidae sessile native
Crucigera zygophora Yolk-bearer calcareous tubeworm Serpulidae sessile native
Cryptobranchia concentrica Ringed blind limpet Lepetidae benthic native
Cryptochiton stelleri Giant Pacific chiton Acanthochitonidae benthic native
Cryptolithodes sitchensis Umbrella crab Lithodidae benthic native
Cryptolithodes typicus Butterfly crab Lithodidae benthic native
Cryptomya californica California softshell Myidae benthic native
Cryptonatica aleutica Aleutian moonsnail Naticidae benthic native
Cryptonemia obovata Halymeniaceae benthic native
Cryptopeltaster lepidonotus Pebbly star Goniasteridae benthic native
Cryptopleura lobulifera Hidden-ribbed red seaweed Delesseriaceae benthic native
Cryptopleura ruprechtiana Ruffled red seaweed Delesseriaceae benthic native
Cryptosiphonia woodii Dark branching-tube seaweed Dumontiaceae benthic native
Cucumaria miniata Orange sea cucumber Cucumariidae benthic native
Cucumaria pallida Pale sea cucumber Cucumariidae benthic native
Cucumaria piperata Salt and pepper sea cucumber Cucumariidae benthic native
Cucumaria pseudocurata Tar spot sea cucumber Cucumariidae benthic native
Cucumaria vegae Tiny black sea cucumber Cucumariidae benthic native
Cumagloia andersonii Hairy seaweed Liagoraceae benthic native
Cumella californica Nannastacidae demersal native
Cumella morion Nannastacidae demersal native
Cuspidaria apodema Cuspidariidae benthic native
Cuthona albocrusta White-crust Cuthona Cuthonidae benthic 4.4 native
Cuthona cocoachroma Brown Cuthona Cuthonidae benthic native
Cuthona concinna Neat aeolid Cuthonidae benthic native
Cuthona divae Rose-pink Cuthona Cuthonidae benthic native
Cuthona flavovulta Yellowish Cuthona Cuthonidae benthic native
Cuthona viridis Viridis aeolid Cuthonidae benthic 4.0 native
Cyclocardia ovata Ovate Cyclocardia Carditidae benthic native
Cyclopecten alaskensis Propeamussiidae benthic native
Cyclosalpa affinis Salpidae pelagic native
Cyclosalpa bakeri Salpidae pelagic native
Cyclostremella concordia Pyramidellidae benthic native
Cystechinus loveni Urechinidae benthic native
Cystocrepis setigera Pourtalesiidae benthic native
Cystodytes lobatus Lobed tunicate Polycitoridae sessile native
Cystoseira geminata Northern bladder chain Cystoseiraceae sessile native
Cystoseira osmundacea Bladder chain Cystoseiraceae sessile native
Decamastus gracilis Capitellidae benthic native
Deepstaria enigmatica Ulmaridae bathypelagic native
Deflexilodes enigmaticus Oedicerotidae benthic native
Deflexilodes norvegicus Oedicerotidae benthic native
Deflexilodes similis Oedicerotidae benthic native
Delectopecten vancouverensis Vancouver scallop Pectinidae sessile native
Delectopecten vitreus Vitreous scallop Pectinidae reef-associated 2.0 native
Delesseria decipiens Winged rib Delesseriaceae benthic native
Delphinus delphis Common dolphin Delphinidae pelagic-oceanic 4.5 native
Demonax rugosus Sabellidae benthic native
Dendraster excentricus Eccentric sand dollar Dendrasteridae benthic native
Dendrobeania curvirostrata Bugulidae sessile native
Dendrobeania lichenoides Leaf crust bryozoan Bugulidae sessile native
Dendrobeania murrayana Fan bryozoan Bugulidae sessile native
Dendrodoa abbotti Styelidae sessile native
Dendronotus albus White frond-aeolis Dendronotidae benthic native
Dendronotus dalli Dall's Dendronotus Dendronotidae benthic native
Dendronotus diversicolor Multicolor frond-aeolis Dendronotidae benthic native
Dendronotus frondosus Frond-aeolis Dendronotidae benthic native
Dendronotus iris Giant frond-aeolis Dendronotidae pelagic 3.6 native
Dendronotus subramosus Stubby frond-aeolis Dendronotidae benthic native
Dentalium agassizi Dentaliidae benthic native
Derbesia marina Derbesiaceae sessile native
Dermasterias imbricata Leather star Poraniidae benthic 3.9 native
Dermochelys coriacea Leatherback turtle Dermochelyidae benthopelagic 4.2 native
Desdimelita californica Melitidae benthic native
Desdimelita desdichada Melitidae benthic native
Desmarestia aculeata Wiry acid weed Desmarestiaceae sessile native
Desmarestia latifrons Desmarestiaceae sessile native
Desmarestia ligulata Broad acid weed Desmarestiaceae sessile native
Desmarestia ligulata var. ligulata Desmarestiaceae sessile native
Desmarestia munda Desmarestiaceae sessile native
Desmarestia viridis Stringy acid weed Desmarestiaceae sessile native
Desmophyllum pertusum Spider hazards Caryophylliidae reef-associated native
Diaperoecia californica Southern staghorn bryozoan Diaperoeciidae sessile native
Diaphana californica California diaphana Diaphanidae benthic native
Diaphorodoris lirulatocauda Ridge-tailed dorid Onchidorididae benthic native
Diasterope pilosa Cylindroleberididae native
Diastylis alaskensis Diastylidae demersal native
Diastylis aspera Diastylidae demersal native
Diastylis bidentata Diastylidae benthic native
Diastylis dalli Diastylidae demersal native
Diastylis hirsuta Diastylidae demersal native
Diastylis koreana Diastylidae demersal native
Diastylis nucella Diastylidae demersal native
Diastylis paraspinulosa Diastylidae demersal native
Diastylis quadriplicata Diastylidae demersal native
Diastylis santamariensis Diastylidae demersal native
Diastylis sentosa Diastylidae demersal native
Diastylis tumida Diastylidae benthic native
Diastylis umatillensis Diastylidae demersal native
Diastylopsis dawsoni Diastylidae demersal native
Diastylopsis tenuis Diastylidae demersal native
Diaulula sandiegensis Ringed doris Discodorididae benthic 3.0 native
Dictyota binghamiae Mermaid's gloves Dictyotaceae sessile native
Didemnum carnulentum Pacific white crust Didemnidae sessile native
Didemnum vexillum Didemnidae sessile introduced
Dilsea californica Leathery strap seaweed Dumontiaceae benthic native
Diodora aspera Keyhole limpet Fissurellidae benthic 2.7 native
Diopatra ornata Ornate tube worm Onuphidae benthic native
Dipleurosoma typicum Dipleurosomatidae pelagic 3.0 native
Diplodonta impolita Rough diplodon Ungulinidae benthic native
Diplodonta orbella Orb diplodon Ungulinidae benthic native
Diplopteraster multipes Pincushion star Pterasteridae benthic 4.1 native
Diplosolen obelium Plagioeciidae sessile native
Diplosoma listerianum Gray encrusting compound tunicate Didemnidae sessile native
Dipolydora caulleryi Spionidae benthic 2.0 native
Dipolydora giardi Spionidae benthic native
Dipsacaster anoplus Astropectinidae benthic native
Dipsacaster borealis Northern sand star Astropectinidae benthic native
Dirona albolineata White-line dirona Dironidae benthic native
Dirona aurantia Golden Dirona Dironidae benthic native
Discorsopagurus schmitti Tubeworm hermit Paguridae benthic native
Discurria insessa Kelp limpet Lottiidae benthic 2.0 native
Disporella separata Purple encrusting bryozoan Lichenoporidae sessile native
Distaplia occidentalis Mushroom tunicate Holozoidae sessile native
Distaplia smithi Stalked compound tunicate Holozoidae sessile native
Distichoptilum gracile Protoptilidae native
Dodecaceria concharum Coralline-encased filament-worm Cirratulidae benthic native
Dodecaceria fewkesi Colonial tube worm Cirratulidae benthic native
Doris montereyensis Monterey sea-lemon Dorididae benthic 3.0 native
Doris odhneri White night doris Dorididae benthic 3.0 native
Dorvillea annulata Dorvilleidae benthic native
Dorvillea japonica Dorvilleidae benthic native
Dorvillea longicornis Dorvilleidae benthic native
Doryteuthis opalescens Opalescent inshore squid Loliginidae pelagic 3.7 native
Doto amyra Hammerhead Doto Dotidae benthic native
Doto columbiana British Columbia Doto Dotidae benthic native
Doto kya Dark doto Dotidae benthic 4.4 native
Dreissena polymorpha Zebra mussel Dreissenidae benthic 2.0 native
Drilonereis falcata Oenonidae benthic native
Drilonereis longa Oenonidae benthic native
Drilonereis nuda Oenonidae benthic native
Dryodora glandiformis Dryodoridae pelagic native
Dulichia rhabdoplastis Podoceridae benthic native
Dulichia spinosissima Podoceridae benthic native
Dyopedos arcticus Podoceridae benthic native
Dyopedos normani Podoceridae benthic native
Dysidea fragilis Brittle horny sponge Dysideidae sessile native
Echinarachnius parma Purple sand dollar Echinarachniidae benthic native
Echinocrepis rostrata Pourtalesiidae benthic native
Ectopleura crocea Pink-mouth hydroid Tubulariidae sessile native
Ectopleura marina Solitary pink-mouth hydroid Tubulariidae pelagic native
Edwardsia sipunculoides Sipunculid anemone Edwardsiidae sessile native
Egregia menziesii Feather boa kelp Alariaceae sessile native
Eisenia arborea Palm kelp Alariaceae sessile native
Elachista fucicola Chordariaceae sessile native
Elassochirus gilli Pacific red hermit Paguridae benthic native
Elassochirus tenuimanus Widehand hermit Paguridae benthic native
Elysia hedgpethi Hedgpeth's sapsucker Plakobranchidae benthic native
Emplectonema buergeri Mottled ribbon worm Emplectonematidae benthic native
Emplectonema gracile Green ribbon worm Emplectonematidae benthic native
Emplectonema purpuratum Leopard ribbon worm Emplectonematidae benthic native
Endocladia muricata Nail brush seaweed Endocladiaceae benthic native
Enhydra lutris Sea otter Mustelidae bathydemersal 3.8 native
Ennucula tenuis Smooth nutclam Veneridae benthic native
Enteroctopus dofleini North Pacific giant octopus Enteroctopodidae benthic 3.3 native
Enteroxenos parastichopoli Eulimidae benthic native
Entodesma navicula Rock entodesma Lyonsiidae benthic native
Eobrolgus chumashi Phoxocephalidae benthic native
Eogammarus confervicolus Anisogammaridae benthic native
Eogammarus oclairi Anisogammaridae benthic native
Eperetmus typus Curtained jelly Olindiidae pelagic native
Epiactis lisbethae Giant brooding anemone Actiniidae sessile native
Epiactis prolifera Brooding anemone Actiniidae sessile native
Epiactis ritteri Sandy anemone Actiniidae sessile native
Epidiopatra hupferiana Onuphidae benthic native
Epitonium indianorum Epitoniidae benthic native
Epizoanthus scotinus Orange zoanthid Epizoanthidae sessile native
Eremicaster crassus Porcellanasteridae benthic native
Eremicaster pacificus Porcellanasteridae bathydemersal native
Ericthonius punctatus Ischyroceridae benthic 2.0 native
Ericthonius rubricornis Ischyroceridae benthic native
Erythrotrichia carnea Erythrotrichiaceae epiphytic native
Eschrichtius robustus Gray whale Eschrichtiidae pelagic 3.3 native
Eteone californica Phyllodocidae benthic native
Eteone pacifica Phyllodocidae benthic native
Eteone spilotus Phyllodocidae benthic native
Eteone tuberculata Phyllodocidae benthic native
Eualus avinus Beaked eualid Hippolytidae benthic native
Eualus berkeleyorum Berkeley eualid Hippolytidae benthic native
Eualus herdmani Herdman eualid Hippolytidae benthic native
Eualus lineatus Striped eulid Hippolytidae benthic native
Eualus pusiolus Doll eualid Hippolytidae benthic 3.1 native
Eualus subtilis Pygmy eualid Hippolytidae benthic native
Eualus suckleyi Shortscale eualid Hippolytidae benthic native
Eubranchus olivaceus Green balloon aeolis Eubranchidae benthic native
Eubranchus rustyus Rustic aeolid Eubranchidae benthic native
Eubranchus sanjuanensis San Juan aeolid Eubranchidae benthic native
Euchone arenae Sabellidae benthic native
Euchone incolor Sabellidae sessile native
Euclymene reticulata Maldanidae demersal native
Euclymene zonalis Maldanidae benthic native
Eudendrium californicum California stickhydroid Eudendriidae pelagic native
Eudistoma molle Red-dotted compound tunicate Polycitoridae sessile native
Eudistoma purpuropunctatum Polycitoridae benthic native
Eudistylia polymorpha Feather duster worm Sabellidae benthic native
Eudistylia vancouveri Northern feather-duster worm Sabellidae benthic native
Eudorella pacifica Leuconidae demersal native
Eudorellopsis integra Leuconidae benthic native
Eudorellopsis longirostris Leuconidae demersal native
Eulalia levicornuta Phyllodocidae benthic native
Eulalia quadrioculata Phyllodocidae benthic native
Eulalia sanguinea Phyllodocidae benthic native
Eulalia viridis Greenleaf worm Phyllodocidae benthic 3.2 native
Eumetopias jubatus Steller's sea lion Otariidae bathydemersal 4.3 native
Eumida longicornuta Phyllodocidae benthic native
Eumida tubiformis Phyllodocidae benthic native
Eunice valens White-banded bobbit worm Eunicidae benthic native
Eunoe depressa Depressed scale worm Polynoidae benthic native
Eunoe oerstedi Multi-pronged scaleworm Polynoidae benthic native
Eunoe senta Thorny scaleworm Polynoidae benthic native
Eupentacta pseudoquinquesemita False white sea cucumber Sclerodactylidae benthic native
Eupentacta quinquesemita Stiff-footed sea cucumber Sclerodactylidae benthic native
Euphilomedes carcharodonta Philomedidae pelagic native
Euphilomedes longiseta Philomedidae pelagic native
Euphilomedes producta Philomedidae pelagic native
Euphrosine arctia Euphrosinidae benthic native
Euphrosine bicirrata Euphrosinidae benthic native
Euphrosine multibranchiata Multi-branched porcupine-worm Euphrosinidae benthic native
Euphysa flammea Euphysidae pelagic-neritic native
Euphysa japonica Euphysidae pelagic native
Euphysa tentaculata Euphysidae pelagic-neritic native
Euplokamis dunlapae Oval sea gooseberry Euplokamididae pelagic native
Eupolymnia heterobranchia Terebellidae benthic native
Eurylepta californica Euryleptidae benthic native
Eurylepta leoparda Euryleptidae benthic native
Eurystomella bilabiata Derby hat bryozoan Eurystomellidae sessile native
Eusirus columbianus Eusiridae benthic native
Eusirus cuspidatus Eusiridae benthic native
Eusirus propinquus Eusiridae benthic native
Euspira pallida Pale moonsnail Naticidae benthic native
Eusyllis assimilis Syllidae benthic native
Eusyllis habei Syllidae benthic native
Eusyllis japonica Syllidae benthic native
Eutonina indicans Aggregating jelly Campanulinidae pelagic native
Evasterias troscheli Mottled star Asteriidae benthic native
Exilioidea rectirostris Turbinellidae benthic native
Exogone lourei Syllidae benthic native
Exogone molesta Syllidae benthic native
Exogone occidentalis Syllidae benthic native
Exosphaeroma inornata Sphaeromatidae benthic native
Eyakia robusta Phoxocephalidae benthic native
Fabia subquadrata Grooved mussel crab Pinnotheridae benthic native
Farlowia mollis Tattered strap seaweed Dumontiaceae benthic native
Fartulum occidentale Caecidae demersal native
Fenestrulina malusii Microporellidae sessile native
Fissurellidea bimaculata Two-spot keyhole limpet Fissurellidae benthic native
Flabelligera infundibularis Sheathed bristle-cage worm Flabelligeridae benthic native
Flabellina pricei Smooth-tooth aeolis Flabellinidae benthic 4.0 native
Flabellina salmonacea Salmon aeolis Flabellinidae benthic 4.0 native
Flabellina trilineata Threeline aeolis Flabellinidae benthic 4.0 native
Flabellina trophina Predaceous aeolis Flabellinidae benthic 4.0 native
Flabellina verrucosa Red-finger aeolis Flabellinidae benthic 4.0 native
Florometra asperrima Rough feather star Antedonidae sessile native
Florometra serratissima Common feather star Antedonidae sessile native
Flustrellidra corniculata Spiny leather bryozoan Flustrellidridae sessile native
Foersteria purpurea Mitrocomidae pelagic native
Foxiphalus cognatus Phoxocephalidae benthic native
Foxiphalus falciformis Phoxocephalidae benthic native
Foxiphalus obtusidens Phoxocephalidae benthic native
Foxiphalus similis Phoxocephalidae benthic native
Foxiphalus slatteryi Phoxocephalidae benthic native
Foxiphalus xiximeus Phoxocephalidae benthic native
Fratercula cirrhata Tufted puffin Alcidae others 4.3 native
Fratercula corniculata Horned puffin Alcidae pelagic 4.2 native
Freemania litoricola Leptoplanidae benthic native
Freyella microplax Brisingidae benthic native
Freyellaster fecundus Brisingidae benthic native
Fryeella gardneri Arched red seaweed Faucheaceae benthic native
Fucus distichus Rockweed Fucaceae sessile native
Fulmarus glacialis Northern fulmar Procellariidae others 3.8 native
Fusitriton oregonensis Oregon triton Cymatiidae benthic native
Gadila aberrans Aberrant toothshell Gadilidae benthic native
Gadila tolmiei Gadilidae benthic native
Galathowenia oculata Oweniidae benthic native
Gammaropsis barnardi Photidae benthic native
Gammaropsis ellisi Photidae benthic native
Gammaropsis thompsoni Photidae benthic native
Gari californica California sunsetclam Psammobiidae benthic native
Garveia annulata Orange hydroid Bougainvilliidae pelagic native
Gastropteron pacificum Pacific stomach wing Gastropteridae pelagic native
Gattyana ciliata Ciliated scale worm Polynoidae benthic native
Gattyana treadwelli Polynoidae benthic native
Gavia adamsii White-billed diver Gaviidae others 3.4 native
Geitodoris heathi Gritty doris Discodorididae benthic 3.0 native
Gelidium corneum Gelidiaceae benthic native
Gelidium coulteri Gelidiaceae benthic native
Genetyllis castanea Phyllodocidae benthic native
Geodia mesotriaena Armoured ball sponge Geodiidae sessile native
Gephyreaster swifti Gunpowder star Goniasteridae benthic 4.1 native
Gersemia rubiformis Sea strawberry Nephtheidae sessile native
Glans carpenteri Carpenter carditid Carditidae sessile native
Glebocarcinus oregonensis Pygmy rock crab Cancridae benthic native
Globicephala macrorhynchus Short-finned pilot whale Delphinidae pelagic 4.3 native
Glycera americana American bloodworm Glyceridae benthic native
Glycera gigantea Glyceridae benthic native
Glycera robusta Glyceridae benthic native
Glycera siphonostoma Glyceridae benthic native
Glycera tenuis Glyceridae benthic native
Glycera tesselata Glyceridae benthic native
Glycinde armigera Goniadidae benthic native
Glycinde picta Goniadidae benthic native
Glycinde polygnatha Goniadidae benthic native
Glycymeris septentrionalis Northern bittersweet Glycymerididae benthic native
Glycymeris subobsoleta Glycymerididae benthic native
Gnathia steveni Gnathiidae reef-associated native
Gnathia tridens Gnathiidae reef-associated native
Gnathia trilobata Gnathiidae reef-associated native
Gnathopleustes pugettensis Pleustidae benthic native
Gnorimosphaeroma oregonense Sphaeromatidae benthic native
Gnorimosphaeroma oregonensis Stubby isopod Sphaeromatidae benthic native
Golfingia vulgaris Brown peanut worm Golfingiidae benthic native
Gonatus onyx Clawed armhook squid Gonatidae demersal 4.3 native
Goniada annulata Goniadidae benthic native
Goniada maculata Spotted chevron worm Goniadidae benthic native
Gonimophyllum skottsbergii Delesseriaceae benthic native
Gonionemus vertens Clinging jellyfish Olindiidae pelagic 3.0 native
Gorgonocephalus eucnemis Common basket star Gorgonocephalidae benthic native
Gracilariopsis longissima Gracilariaceae sessile native
Grampus griseus Risso's dolphin Delphinidae pelagic 4.5 native
Grania incerta Enchytraeidae benthic native
Granulina margaritula Pear marginella Cystiscidae benthic native
Grateloupia doryphora Dasyaceae sessile native
Grateloupia lanceolata Narrow iodine seaweed Dasyaceae benthic native
Griffithsia pacifica Ceramiaceae benthic native
Grubeopolynoe tuta Polynoidae benthic native
Guernea reduncans Dexaminidae benthic native
Gymnogongrus chiton Thin forked seaweed Phyllophoraceae benthic native
Gyptis brunnea Hesionidae benthic native
Gyptis lobatus Hesionidae benthic native
Gyptis plurisetis Hesionidae benthic native
Haeckelia rubra Haeckeliidae pelagic native
Haematopus bachmani Black oystercatcher Charadriidae others 4.1 native
Halcampa decemtentaculata Ten-tentacle burrowing anemone Halcampidae sessile native
Halecium beanii Thornbush hydroid Haleciidae sessile native
Halecium densum Dense bushy hydroid Haleciidae pelagic native
Haliaeetus leucocephalus Bald eagle Accipitridae others 4.8 native
Halichondria panicea Bread-crumb sponge Halichondriidae sessile native
Halichondria sitiens Green-tinged sponge Halichondriidae sessile native
Haliclystus salpinx Trumpet stalked jellyfish Haliclystidae benthopelagic native
Haliclystus sanjuanensis Haliclystidae demersal native
Halimedusa typus Halimedusidae pelagic native
Haliotis kamtschatkana Pinto abalone Haliotidae benthic native
Haliotis walallensis Flat abalone Haliotidae demersal native
Halitholus cirratus Pandeidae pelagic native
Halitholus pauper Pandeidae pelagic native
Hallaxa chani Chan's dorid Actinocyclidae benthic 3.0 native
Halocynthia aurantium Pacific sea peach Pyuridae sessile native
Halocynthia igaboja Bristly tunicate Pyuridae sessile native
Halosaccion glandiforme Sea sacs Palmariaceae benthic native
Halosydna brevisetosa Short-scaled worm Polynoidae benthic native
Halosydna johnsoni Polynoidae benthic native
Halosydna parva Polynoidae benthic native
Hamatoscalpellum columbianum Scalpellidae sessile native
Haminoea vesicula Blister glassy-bubble Haminoeidae benthic native
Hanleyella oldroydi Leptochitonidae benthic native
Hapalogaster mertensii Hairy crab Lithodidae benthic native
Haplogloia andersonii Hairy brown seaweed Scytosiphonaceae sessile native
Haplosyllis spongiphila Syllidae benthic native
Harmothoe extenuata Yellow and brown scaleworm Polynoidae benthic native
Harmothoe hirsuta Polynoidae benthic native
Harmothoe imbricata Fifteen-scaled worm Polynoidae benthic 3.3 native
Harmothoe multisetosa Polynoidae benthic native
Harpiniopsis fulgens Phoxocephalidae benthic native
Hediste limnicola Nereididae benthic native
Hemigrapsus nudus Purple shore crab Varunidae benthic native
Hemigrapsus oregonensis Yellow shore crab Varunidae benthic native
Hemilamprops californicus Lampropidae demersal native
Hemipodus borealis Glyceridae benthic native
Henricia aspera Sandpaper Henricia Echinasteridae benthic native
Henricia leviuscula Pacific blood star Echinasteridae benthic native
Henricia sanguinolenta Blood sea star Echinasteridae benthic 3.2 native
Heptacarpus brevirostris Stout coastal shrimp Hippolytidae benthic native
Heptacarpus decorus Elegant coastal shrimp Hippolytidae benthic native
Heptacarpus kincaidi Kincaid coastal shrimp Hippolytidae benthic native
Heptacarpus pugettensis Puget coastal shrimp Hippolytidae benthic native
Heptacarpus sitchensis Sitka coastal shrimp Hippolytidae benthic native
Heptacarpus stimpsoni Stimpson coastal shrimp Hippolytidae benthic native
Heptacarpus stylus Stiletto coastal shrimp Hippolytidae benthic native
Heptacarpus tenuissimus Slender coastal shrimp Hippolytidae benthic native
Heptacarpus tridens Threespine coastal shrimp Hippolytidae benthic native
Hermaea oliviae Olivia's sapsucker Stiligeridae benthic native
Hermissenda crassicornis Hermissenda Facelinidae benthic 3.6 native
Herposiphonia plumula Rhodomelaceae benthic native
Hesperibalanus hesperius Crab barnacle Archaeobalanidae benthic native
Hesperonoe adventor Polynoidae benthic native
Hesperonoe complanata Polynoidae benthic native
Hesperonoe laevis Polynoidae benthic native
Heterochone calyx Fingered goblet sponge Aphrocallistidae sessile native
Heteromastus filobranchus Capitellidae benthic native
Heterophoxus affinis Phoxocephalidae benthic native
Heterophoxus conlanae Phoxocephalidae benthic native
Heterophoxus ellisi Phoxocephalidae benthic native
Heterophoxus oculatus Phoxocephalidae benthic native
Heteropodarke heteromorpha Hesionidae benthic native
Heteropora alaskensis Delicate staghorn bryozoan Heteroporidae sessile native
Heteropora pacifica Northern staghorn bryozoan Heteroporidae sessile native
Hiatella arctica Arctic hiatella Hiatellidae benthic native
Hippasteria californica California spiny star Goniasteridae benthic native
Hippasteria spinosa Spiny red star Goniasteridae benthic 3.5 native
Hippodiplosia insculpta Fluted bryozoan Schizoporellidae sessile native
Hippolyte clarki Kelp humpback shrimp Hippolytidae benthic native
Hippomedon coecus Lysianassidae benthic native
Hippomedon columbianus Lysianassidae benthic native
Hippomedon denticulatus Lysianassidae benthic 2.0 native
Hippomedon zetesimus Lysianassidae benthic native
Hipponix cranioides Hipponicidae benthic native
Histrionicus histrionicus Harlequin duck Anatidae others 3.6 native
Hollenbergia subulata Ceramiaceae benthic native
Hololepida magna Giant fleshy scaleworm Polynoidae benthic native
Homalopoma baculum Berry dwarf-turban Colloniidae benthic native
Homalopoma luridum Dark dwarf-turban Colloniidae benthic native
Homaxinella amphispicula Tough yellow branching sponge Suberitidae sessile native
Hormiphora cucumis Pleurobrachiidae pelagic native
Humilaria kennerleyi Kennerley venus Veneridae benthic native
Hyale frequens Hyalidae benthic native
Hyas lyratus Pacific lyre crab Oregoniidae benthic native
Hyboscolex pacificus Scalibregmatidae benthic native
Hydractinia milleri Miller hydractinia Hydractiniidae pelagic native
Hydrallmania distans Loose spiral hydroid Sertulariidae pelagic native
Hydroprogne caspia Caspian tern Laridae others 4.4 native
Hymenaster perissonatus Pterasteridae benthic native
Hymenaster quadrispinosus Pterasteridae benthic native
Ianiropsis kincaidi Janiridae benthic native
Ianiropsis tridens Janiridae benthic native
Idanthyrsus armatus Sabellariidae sessile native
Idanthyrsus ornamentatus Sabellariidae sessile native
Idanthyrsus saxicavus Stone-cave sandmason tubeworm Sabellariidae sessile native
Idarcturus hedgpethi Arcturidae native
Idotea montereyensis Monterey isopod Idoteidae benthic native
Idotea resecata Eelgrass isopod Idoteidae benthic native
Idotea rufescens Idoteidae pelagic native
Idotea stenops Feather boa isopod Idoteidae benthic native
Idotea urotoma Idoteidae pelagic native
Ilyanassa obsoleta Eastern mudsnail Nassariidae demersal native
Iphimedia rickettsi Iphimediidae benthic native
Iridaea cordata Iridea Gigartinaceae sessile native
Iridaea cordata var. cordata Gigartinaceae benthic native
Iselica obtusa Amathinidae benthic native
Isocirrus longiceps Maldanidae benthic native
Isodictya rigida Orange finger sponge Isodictyidae sessile native
Janczewskia gardneri Rhodomelaceae benthic native
Janiralata occidentalis Janiridae benthic native
Janiralata solasteri Janiridae benthic native
Janolus fuscus White-and-orange-tipped nudibranch Janolidae benthic native
Janthina janthina Janthina Janthinidae pelagic native
Janthina prolongata Globose violet snail Janthinidae pelagic native
Jasmineira pacifica Sabellidae sessile native
Jassa shawi Ischyroceridae benthic native
Jassa staudei Ischyroceridae benthic native
Joeropsis dubia Joeropsididae benthic native
Kaburakia excelsa Giant flatworm Stylochidae benthic native
Katharina tunicata Black katy Mopaliidae benthic 2.0 native
Keenocardium blandum Cardiidae benthic native
Keenocardium californiense Aleutian cockle Cardiidae benthic native
Kellia suborbicularis Suborbicular kellyclam Lasaeidae benthic native
Kinorhynchus iliocryptus Pycnophyidae benthic native
Kronborgia pugettensis Pink parasitic flatworm Fecampiidae benthic native
Kurtzia arteaga Beaded mangelia Conidae demersal native
Kurtziella plumbea Violet-band mangelia Conidae demersal native
Labidochirus splendescens Splendid hermit Paguridae benthic native
Lacuna porrecta Littorinidae benthic native
Lacuna unifasciata One-band lacuna Littorinidae native
Lacuna variegata Variegate lacuna Littorinidae benthic native
Lacuna vincta Northern lacuna Littorinidae benthic 2.0 native
Lafoea dumosa Robust tree hydroid Lafoeidae sessile native
Lagenorhynchus obliquidens Pacific white-sided dolphin Delphinidae pelagic 4.5 native
Laminaria setchellii Split kelp Laminariaceae sessile native
Lamprops carinata Lampropidae demersal native
Lanassa gracilis Terebellidae benthic native
Lanice conchilega Sand mason worm Terebellidae sessile 2.0 native
Laonice pugettensis Spionidae benthic native
Laqueus californianus California lamp shell Laqueidae benthic native
Larus argentatus Herring gull Laridae others 4.4 native
Larus californicus California gull Laridae others 3.9 native
Larus canus Common gull Laridae others 4.3 native
Larus delawarensis Ring-billed gull Laridae others 4.0 native
Larus glaucescens Glaucous-winged gull Laridae others 4.5 native
Larus glaucoides Iceland gull Laridae others 4.1 native
Larus heermanni Heermann's gull Laridae others 4.3 native
Larus hyperboreus Glaucous gull Laridae others 4.3 native
Larus occidentalis Western gull Laridae others 4.3 native
Larus philadelphia Bonaparte's gull Laridae others 3.9 native
Larus schistisagus Slaty-backed gull Laridae others 4.5 native
Larus thayeri Laridae others 4.5 native
Lasaea adansoni Reddish lepton Lasaeidae benthic native
Leathesia difformis Sea cauliflower Chordariaceae sessile native
Lebbeus grandimanus Candy-striped shrimp Thoridae benthic native
Lebbeus groenlandicus Spiny lebbeid Thoridae benthic native
Leitoscoloplos pugettensis Orbiniidae demersal native
Lepeta caeca Northern blind limpet Lepetidae benthic native
Lepidasthenia berkeleyae Polynoidae benthic native
Lepidasthenia longicirrata Snow-speckled scaleworm Polynoidae benthic native
Lepidepecreum garthi Tryphosidae benthic native
Lepidepecreum gurjanovae Tryphosidae benthic native
Lepidochitona dentiens Gould's baby chiton Tonicellidae benthic native
Lepidonotus squamatus Twelve scaled worm Polynoidae benthic 3.3 native
Lepidozona cooperi Cooper's chiton Ischnochitonidae benthic native
Lepidozona interstincta Smooth lepidozona Ischnochitonidae benthic native
Lepidozona mertensii Merton's chiton Ischnochitonidae benthic native
Lepidozona radians Ischnochitonidae benthic native
Lepidozona retiporosa Ischnochitonidae benthic native
Lepidozona trifida Three-rib chiton Ischnochitonidae benthic native
Leptasterias hexactis Delicate six-rayed star Asteriidae benthic 3.4 native
Leptogyra alaskana Mollu demersal native
Leptostylis abditis Diastylidae demersal native
Leptosynapta clarki Burrowing sea cucumber Synaptidae benthic native
Leptosynapta transgressor Synaptidae benthic native
Leptychaster inermis Astropectinidae benthic native
Leptychaster pacificus Pale star Astropectinidae benthic native
Lessoniopsis littoralis Strap kelp Lessoniaceae sessile native
Lethasterias nanimensis Black-spined sea star Asteriidae benthic native
Leucandra heathi Bristly case sponge Grantiidae sessile native
Leucandra taylori Taylor's calcareous sponge Grantiidae sessile native
Leucilla nuttingi Stalked vase sponge Amphoriscidae sessile native
Leucon armatus Leuconidae demersal native
Leucon falcicosta Leuconidae demersal native
Leucon magnadentata Leuconidae demersal native
Leucon subnasica Leuconidae demersal native
Leucon varians Leuconidae demersal native
Leucosolenia eleanor Lacy ball sponge Leucosoleniidae sessile native
Leucosolenia nautilia Spaghetti sponge Leucosoleniidae sessile native
Leucothea pulchra Orange-tipped sea gooseberry Leucotheidae pelagic native
Leucothoe spinicarpa Leucothoidae benthic native
Leukoma restorationensis Veneridae benthic native
Leukoma staminea Pacific littleneck Veneridae benthic 2.0 native
Levinsenia oculata Paraonidae demersal native
Ligia occidentalis Ligiidae benthic native
Limacia cockerelli Cockerell's dorid Polyceridae benthic native
Limacina helicina Helicid pteropod Limacinidae pelagic native
Limneria prolongata Elongate lamellaria Velutinidae benthic native
Limnodriloides barnardi Naididae reef-associated native
Limnodriloides victoriensis Naididae benthic native
Limnoria algarum Limnoriidae benthic native
Limnoria lignorum Gribble Limnoriidae benthic native
Lineus flavescens Lineidae benthic native
Lineus ruber Red ribbon worm Lineidae benthic native
Lineus rubescens Lineidae benthic native
Lirabuccinum dirum Dire whelk Buccinidae benthic native
Lirobittium attenuatum Slender cerith Cerithiidae benthic native
Lirularia lirulata Lirulate margarite Trochidae demersal native
Lirularia parcipicta Few-spot lirularia Trochidae benthic native
Lirularia succincta Girdled lirularia Trochidae benthic native
Lissodelphis borealis Northern right whale dolphin Delphinidae pelagic native
Lithopoma gibberosa Red turban Turbinidae benthic native
Lithothamnion glaciale Corallinaceae benthic native
Littorina scutulata Checkered periwinkle Littorinidae benthic native
Littorina sitkana Sitka periwinkle Littorinidae benthic native
Loimia medusa Medusa worm Terebellidae reef-associated 2.0 native
Lomentaria hakodatensis Lomentariaceae benthic native
Lophaster furcilliger Pink crested star Solasteridae benthic 3.4 native
Lopholithodes foraminatus Brown box crab Lithodidae benthic native
Lopholithodes mandtii Puget sound king crab Lithodidae benthic native
Lophopanopeus bellus Blackclaw crestleg crab Panopeidae benthic native
Lottia asmi Black limpet Lottiidae benthic native
Lottia digitalis Ribbed limpet Lottiidae benthic native
Lottia fenestrata Lottiidae demersal native
Lottia instabilis Unstable limpet Lottiidae benthic native
Lottia limatula File limpet Lottiidae benthic 2.0 native
Lottia paradigitalis Lottiidae benthic native
Lottia pelta Shield limpet Lottiidae benthic native
Lottia persona Lottiidae demersal native
Lottia scutum Pacific plate limpet Lottiidae demersal native
Lottia strigatella Checkered limpet Lottiidae benthic native
Loxorhynchus crispatus Moss crab Epialtidae benthic native
Lucinisca nuttalli Nuttall lucine Lucinidae benthic native
Lucinoma annulata Ringed lucine Lucinidae benthic native
Luidia foliolata Gray sand star Luidiidae benthic 3.4 native
Lumbricillus annulatus Enchytraeidae benthic native
Lumbrineris californiensis Lumbrineridae benthic native
Lumbrineris cruzensis Lumbrineridae benthic native
Lumbrineris inflata Lumbrineridae benthic native
Lumbrineris japonica Lumbrineridae benthic native
Lumbrineris limicola Lumbrineridae benthic native
Lumbrineris pallida Lumbrineridae benthic native
Lumbrineris similabris Lumbrineridae benthic native
Lumbrineris zonata Lumbrineridae benthic native
Lutra canadensis American river otter Mustelidae pelagic native
Lyonsia bracteata Scaly lyonsia Lyonsiidae benthic native
Lyonsia californica California lyonsia Lyonsiidae benthic native
Macoma balthica Baltic macoma Tellinidae benthic native
Macoma brota Heavy macoma Tellinidae benthic native
Macoma calcarea Chalky macoma Tellinidae benthic native
Macoma carlottensis Charlotte macoma Tellinidae benthic native
Macoma elimata Beveled macoma Tellinidae benthic native
Macoma expansa Expanded macoma Tellinidae benthic native
Macoma incongrua Incongruous macoma Tellinidae benthic native
Macoma inconspicua Tellinidae benthic native
Macoma inquinata Pointed macoma Tellinidae benthic native
Macoma lama Aleutian macoma Tellinidae benthic native
Macoma lipara Sleek macoma Tellinidae benthic native
Macoma loveni Inflated macoma Tellinidae benthic native
Macoma moesta Flat macoma Tellinidae benthic native
Macoma nasuta Bent-nose macoma Tellinidae benthic native
Macoma obliqua Oval macoma Tellinidae benthic native
Macoma secta White-sand macoma Tellinidae benthic native
Macoma yoldiformis Yoldia macoma Tellinidae benthic native
Macrocystis integrifolia Small giant kelp Lessoniaceae sessile native
Macrocystis pyrifera Giant kelp Lessoniaceae sessile native
Mactromeris polynyma Arctic surfclam Mactridae benthic native
Maera danae Pink beach hopper Maeridae benthic native
Maera jerrica Maeridae benthic native
Maera loveni Maeridae benthic native
Maera simile Maeridae benthic native
Magallana gigas Giant cupped oyster Ostreidae benthic 2.0 native
Magelona hobsonae Magelonidae benthic native
Magelona longicornis Magelonidae benthic native
Magelona sacculata Magelonidae benthic native
Maldane sarsi Bambooworm Maldanidae benthic 2.0 native
Malmgreniella bansei Polynoidae benthic native
Malmgreniella nigralba Polynoidae benthic native
Manania handi Haliclystidae sessile native
Manayunkia aestuarina Sabellidae sessile native
Mandibulophoxus mayi Phoxocephalidae benthic native
Margarites helicinus Spiral margarite Trochidae benthic native
Margarites pupillus Little margarite Trochidae benthic native
Margarites rhodia Trochidae benthic native
Marsenina rhombica Rhombic lamellaria Velutinidae benthic native
Marsenina stearnsii Stearn's ear shell Velutinidae benthic native
Mastocarpus jardinii Bushy Turkish washcloth Phyllophoraceae benthic native
Mastocarpus papillatus Turkish washcloth Phyllophoraceae benthic native
Mayerella banksia Protellidae benthic native
Mazzaella oregona Mottled Turkish washcloth Gigartinaceae benthic native
Mazzaella splendens Iridescent seaweed Gigartinaceae benthic native
Mediaster aequalis Red Sea star Goniasteridae benthic 3.2 native
Mediomastus ambiseta Capitellidae benthic native
Mediomastus californiensis Capitellidae benthic native
Megalomma splendida Sabellidae benthic native
Megalorchestia pugettensis Talitridae benthic native
Megamoera bowmani Melitidae benthic native
Megamoera subtener Melitidae benthic native
Megaptera novaeangliae Humpback whale Balaenopteridae pelagic 3.6 native
Megayoldia martyria Oblique yoldia Yoldiidae benthic native
Megayoldia thraciaeformis Broad yoldia Yoldiidae benthic native
Meiodorvillea minuta Dorvilleidae benthic native
Melanella micans Shining balcis Eulimidae benthic native
Melanitta deglandi White-winged scoter Anatidae others 3.3 native
Melanitta fusca Velvet scoter Anatidae others 3.3 native
Melanitta nigra Black scoter Anatidae others 3.9 native
Melanitta perspicillata Surf scoter Anatidae others 3.5 native
Melanochlamys diomedea Albatross aglaja Aglajidae demersal native
Melibe leonina Lion nudibranch Tethydidae sessile native
Melicertum octocostatum Eight-strand jelly Melicertidae pelagic 3.7 native
Melinna elisabethae Ampharetidae benthic native
Melinna heterodonta Ampharetidae benthic native
Melinna oculata Ampharetidae benthic native
Melita sulca Melitidae benthic native
Melobesia marginata Corallinaceae benthic native
Melobesia mediocris Surfgrass coralline seaweed Corallinaceae benthic native
Melphidippa amorita Melphidippidae benthic native
Melphisana bola Melphidippidae benthic native
Membranipora membranacea Kelp encrusting bryozoan Membraniporidae sessile native
Membranipora villosa Kelp-encrusting bryozoan Membraniporidae sessile native
Membranoptera platyphylla Feather-veined red seaweed Delesseriaceae benthic native
Mendicula ferruginosa Rusty axinopsid Thyasiridae benthic native
Mergus serrator Red-breasted merganser Anatidae others 4.5 native
Mesocentrotus franciscanus Red Sea urchin Strongylocentrotidae benthic 2.0 native
Mesochaetopterus taylori Chaetopteridae sessile native
Mesocrangon munitella Miniature spinyhead Crangonidae benthic native
Mesoplodon carlhubbsi Hubb's beaked whale Ziphiidae pelagic native
Metacaprella anomala Caprellidae benthic native
Metacaprella kennerlyi Caprellidae benthic native
Metacarcinus magister Dungeness crab Cancridae benthic 3.5 native
Metacrangon munita Coastal spinyhead Crangonidae benthic native
Metandrocarpa dura Colonial tunicate Styelidae sessile native
Metandrocarpa taylori Taylor's social tunicate Styelidae sessile native
Metaphoxus frequens Phoxocephalidae benthic native
Metaphoxus fultoni Phoxocephalidae benthic 2.7 native
Metasychis disparidentatus Maldanidae demersal native
Metopa dawsoni Stenothoidae benthic native
Metridium farcimen Gigantic anemone Metridiidae sessile native
Metridium senile Clonal plumose anemone Metridiidae sessile native
Microciona primitiva Microcionidae sessile native
Microcladia borealis Coarse sea lace Ceramiaceae benthic native
Microcladia coulteri Delicate sea lace Ceramiaceae benthic native
Microclymene caudata Maldanidae benthic native
Microjassa litotes Ischyroceridae benthic native
Micromaldane ornithochaeta Maldanidae sessile native
Microphthalmus sczelkowii Hesionidae benthic native
Micropodarke dubia Hesionidae benthic native
Microporella californica Microporellidae sessile native
Microporella vibraculifera Microporellidae sessile native
Microporina borealis Stick bryozoan Calpensiidae sessile native
Micrura alaskensis Lineidae benthic native
Micrura pardalis Lineidae benthic native
Micrura verrilli Purple ribbon worm Lineidae benthic native
Micrura wilsoni Lineidae benthic native
Mimulus foliatus Foliate kelp crab Epialtidae benthic 2.0 native
Mirounga angustirostris Northern elephant seal Phocidae pelagic-neritic 4.5 native
Mitrella tuberosa Columbellidae demersal native
Mitrocoma cellularia Cross jelly Mitrocomidae pelagic native
Mitrocomella polydiademata Mitrocomidae pelagic 4.0 native
Modeeria rotunda Tiarannidae benthopelagic native
Modiolus modiolus Northern horsemussel Mytilidae benthic native
Modiolus rectus Straight horsemussel Mytilidae sessile native
Mohnia freilei Buccinidae demersal native
Molgula napiformis Molgulidae sessile native
Molgula pacifica Globular ascidian Molgulidae sessile native
Molpadia intermedia Molpadiidae benthic native
Monocorophium acherusicum Corophiidae benthic 2.0 native
Monocorophium carlottensis Corophiidae benthic native
Monocorophium insidiosum Corophiidae benthic 2.0 native
Monoculodes brevirostris Oedicerotidae benthic native
Monoculodes diamesus Oedicerotidae benthic native
Monoculodes glyconica Oedicerotidae benthic native
Monoculodes perditus Oedicerotidae benthic native
Monoculodes recandesco Oedicerotidae benthic native
Monoculodes zernovi Oedicerotidae benthic native
Montereina nobilis Sea lemon Discodorididae benthic 3.0 native
Monticellina tesselata Cirratulidae benthic native
Mopalia ciliata Hairy chiton Mopaliidae benthic native
Mopalia egretta Egret-plumped mopalia Mopaliidae benthic native
Mopalia ferreirai Mopaliidae benthic native
Mopalia hindsii Hind's Mopalia Mopaliidae benthic native
Mopalia imporcata Mopaliidae benthic native
Mopalia kennerleyi Northern hairy chiton Mopaliidae benthic native
Mopalia lignosa Woody chiton Mopaliidae benthic 2.0 native
Mopalia muscosa Mossy chiton Mopaliidae benthic native
Mopalia sinuata Dwarf hairy mopalia Mopaliidae benthic native
Mopalia spectabilis Red-flecked mopalia Mopaliidae benthic native
Mopalia swanii Swan's mopalia Mopaliidae benthic native
Mopalia vespertina Smooth mopalia Mopaliidae benthic native
Munida quadrispina Pinch bug Munididae benthic native
Munna chromatocephala Munnidae benthic native
Munna ubiquita Munnidae benthic native
Munnogonium tillerae Paramunnidae benthic native
Musculus cultellus Mytilidae benthic native
Musculus discors Discordant mussel Mytilidae benthic native
Musculus taylori Taylor dwarf-mussel Mytilidae benthic native
Mya arenaria Softshell clam Myidae benthic 2.3 native
Mya truncata Truncate softshell Myidae benthic native
Mycale adhaerens Smooth scallop sponge Mycalidae sessile native
Myriochele gracilis Oweniidae benthic native
Mysella tumida Lasaeidae benthic native
Mytilicola orientalis Oyster redworm Mytilicolidae host native
Mytilimeria nuttalli Bladderclam Lyonsiidae benthic native
Mytilus californianus California mussel Mytilidae benthic 2.0 native
Mytilus edulis Blue mussel Mytilidae benthic 2.0 native
Mytilus trossulus Foolish mussel Mytilidae benthic native
Myxicola aesthetica Petit slime-tube feather-duster Sabellidae benthic native
Myxicola infundibulum Sabellid worm Sabellidae sessile native
Myxilla incrustans Rough scallop sponge Myxillidae sessile native
Myxilla lacunosa Sulphur horny sponge Myxillidae sessile native
Myxoderma sacculatum Giant slimy star Zoroasteridae benthic native
Naineris grubei Orbiniidae benthic native
Naineris uncinata Orbiniidae benthic native
Nanomia bijuga Tailed jelly Agalmatidae pelagic native
Nassarius fossatus Channeled nassa Nassariidae benthic native
Nassarius fraterculus Japanese nassa Nassariidae benthic introduced
Nassarius mendicus Lean Western nassa Nassariidae benthic native
Nassarius perpinguis Fat Western nassa Nassariidae benthic native
Nassarius rhinetes California nassa Nassariidae reef-associated native
Neadmete modesta Modest admete Cancellariidae benthic native
Neaeromya compressa Compressed montacutid Lasaeidae benthic native
Neaeromya rugifera Wrinkled montacutid Lasaeidae benthic native
Neanthes brandti Nereididae benthic native
Nearchaster aciculosus Needle-spined fragile star Benthopectinidae benthic native
Nearchaster variabilis Variable fragile star Benthopectinidae benthic native
Nebalia pugettensis Nebaliidae demersal native
Nellobia eusoma Bonelliidae benthic native
Nemalion helminthoides Sea noodle Liagoraceae epiphytic native
Nemocardium centifilosum Hundred-line cockle Cardiidae benthic native
Neoamphitrite robusta Terebellidae benthic native
Neocrangon abyssorum Abyssal crangon Crangonidae benthic native
Neocrangon communis Twospine crangon Crangonidae benthic native
Neoesperiopsis digitata Glove sponge Isodictyidae sessile native
Neorhodomela larix Black pine Rhodomelaceae benthic native
Neosabellaria cementarium Cemented sandmason tubeworm Sabellariidae sessile native
Neotrypaea californiensis Bay ghost shrimp Callianassidae benthic 2.4 native
Neoturris breviconis Blob-top jelly Pandeidae pelagic native
Nephasoma diaphanes Golfingiidae benthic native
Nephasoma minutum Golfingiidae benthic native
Nephtys assignis Nephtyidae benthic native
Nephtys brachycephala Nephtyidae benthic native
Nephtys caeca Nephtyidae benthic native
Nephtys caecoides Nephtyidae benthic native
Nephtys californiensis Nephtyidae benthic native
Nephtys cornuta Nephtyidae benthic native
Nephtys discors Nephtyidae benthic native
Nephtys ferruginea Nephtyidae benthic native
Nephtys longosetosa Nephtyidae benthic 3.8 native
Nephtys punctata Nephtyidae benthic native
Nephtys rickettsi Nephtyidae benthic native
Neptunea lyrata Lyre whelk Buccinidae benthic native
Neptunea phoenicea Phoenician whelk Buccinidae benthic native
Neptunea smirnia Smirnia whelk Buccinidae benthic native
Neptunea tabulata Tabled whelk Buccinidae benthic native
Nereimyra punctata Hesionidae benthic native
Nereis procera Little pileworm sea-nymph Nereididae benthic native
Nereis vexillosa Pile worm Nereididae benthic native
Nereis zonata Nereididae benthic native
Nereocystis luetkeana Lessoniaceae sessile native
Netastoma rostratum Pholadidae benthic native
Neverita lewisii Lewis's moonsnail Naticidae benthic native
Nicomache personata Maldanidae benthic native
Ninoe gemmea Lumbrineridae benthic native
Nipponotrophon stuarti Winged trophon Muricidae benthic native
Nitidiscala indianorum Money wentletrap Epitoniidae benthic native
Nitidiscala tincta Tinted wentletrap Epitoniidae benthic native
Niveotectura funiculata Corded white limpet Lottiidae benthic native
Noctiluca scintillans Noctilucaceae pelagic-neritic 2.0 native
Nodulotrophon coronatus Crown trophon Muricidae benthic native
Nothria conchylega Onuphidae benthic native
Nothria occidentalis Onuphidae benthic native
Notocirrus californiensis Oenonidae benthic native
Notomastus hemipodus Capitellidae benthic native
Notomastus lineatus Capitellidae benthic native
Notomastus tenuis Capitellidae benthic native
Notomastus variegatus Capitellidae benthic native
Notoproctus pacificus Maldanidae demersal native
Nucella canaliculata Channeled dogwinkle Muricidae benthic native
Nucella lamellosa Frilled dogwinkle Muricidae benthic native
Nucella lima File dogwinkle Muricidae benthic native
Nucella ostrina Northern striped dogwinkle Muricidae benthic native
Nuculana leonina Nuculanidae benthic native
Nuculana minuta Minute nutclam Nuculanidae benthic native
Nutricola lordi Lord dwarf-venus Veneridae benthic native
Nutricola ovalis Oval dwarf-venus Veneridae benthic native
Nutricola tantilla Purple dwarf-venus Veneridae benthic native
Nuttallia obscurata Purple mahogany-clam Psammobiidae benthic native
Nymphon pixellae Giant sea spider Nymphonidae benthic native
Nymphon stipulum Nymphonidae benthic native
Oceanodroma furcata Forked-tailed storm petrel Hydrobatidae others 4.2 native
Oceanodroma leucorhoa Leach's storm petrel Hydrobatidae others 3.5 native
Ocenebra inornata Muricidae benthic native
Ocenebra interfossa Muricidae benthic native
Ocenebra sclera Muricidae benthic native
Ocinebrina interfossa Sculptured rocksnail Muricidae benthic native
Ocinebrina lurida Lurid rocksnail Muricidae benthic native
Ocinebrina sclera Sclera rocksnail Muricidae benthic native
Octopus rubescens East Pacific red octopus Octopodidae benthic 3.9 native
Odonthalia floccosa Sea brush Rhodomelaceae benthic native
Odonthalia washingtoniensis Toothed-twig seaweed Rhodomelaceae benthic native
Odontosyllis parva Syllidae benthic native
Odontosyllis phosphorea Syllidae benthic native
Odostomia avellana Pyramidellidae host native
Odostomia barkleyensis Pyramidellidae host native
Odostomia columbiana Small snail parasite Pyramidellidae host native
Odostomia cypria Pyramidellidae host native
Odostomia oregonensis Pyramidellidae host native
Odostomia quadrae Pyramidellidae host native
Odostomia tenuisculpta Pyramidellidae host native
Oedignathus inermis Paxillose crab Lithodidae benthic native
Oenopota crebricostata Mangeliidae benthic native
Oenopota excurvata Mangeliidae benthic native
Oenopota fidicula Mangeliidae benthic native
Oenopota levidensis Lora Mangeliidae benthic native
Oenopota turricula Turriculate turrid Mangeliidae benthic native
Okenia vancouverensis Vancouver okenia Goniodorididae benthic native
Olea hansineensis Hansine seaslug Stiligeridae benthic native
Olivella baetica Beatic dwarf olive Olividae benthic native
Olivella biplicata Purple dwarf olive Olividae benthic native
Ommastrephes bartramii Neon flying squid Ommastrephidae benthopelagic 4.4 native
Onchidella borealis Northwest onchidella Onchidiidae demersal native
Onchidoris bilamellata Barnacle-eating onchidoris Onchidorididae benthic native
Onchidoris muricata Fuzzy onchidoris Onchidorididae benthic native
Onuphis elegans Onuphidae benthic native
Onuphis geophiliformis Onuphidae benthic native
Onuphis holobranchiata Onuphidae benthic native
Onuphis iridiscens Onuphidae benthic native
Opalia borealis Boreal wentletrap Epitoniidae benthic native
Ophelina acuminata Opheliidae benthic 2.0 native
Ophelina groenlandica Opheliidae benthic native
Ophiacantha abyssa Ophiacanthidae benthic native
Ophiacantha bathybia Ophiacanthidae benthic native
Ophiacantha rhachophora Ophiacanthidae benthic native
Ophiacantha trachybactra Ophiacanthidae benthic native
Ophiacanthella acontophora Ophiacanthidae benthic native
Ophiocten hastatum Ophiuridae benthic native
Ophiodermella cancellata Cancellate snakeskin-snail Conidae benthic native
Ophiodermella inermis Gray snakeskin-snail Conidae benthic native
Ophiodromus pugettensis Bat star commensal worm Hesionidae benthic native
Ophioleuce oxycraspedon Ophioleucidae benthic native
Ophiolimna bairdi Ophiacanthidae benthic native
Ophiomusium glabrum Ophiuridae benthic native
Ophiomusium lymani Ophiuridae benthic native
Ophiopholis aculeata Daisy brittle star Ophiactidae benthic native
Ophiopholis bakeri Roughspine brittlestar Ophiactidae benthic native
Ophiopholis japonica Ophiactidae benthic native
Ophiopholis kennerlyi Ophiactidae benthic native
Ophiopholis longispina Ophiactidae benthic native
Ophioplocus esmarki Ophiuridae benthic native
Ophiopteris papillosa Flatspine brittlestar Ophiocomidae benthic native
Ophiopthalmus cataleimmoidus Ophiacanthidae benthic native
Ophiopthalmus diplasia Ophiacanthidae benthic native
Ophiopthalmus eurypoma Ophiacanthidae benthic native
Ophiopthalmus normani Ophiacanthidae benthic native
Ophioscolex corynetes Ophiomyxidae benthic native
Ophiosemnotes paucispina Ophiacanthidae benthic native
Ophiosphalma jolliense Ophiosphalmidae benthic native
Ophiothrix koreana Ophiotrichidae benthic native
Ophiothrix spiculata Pacific spiny brittlestar Ophiotrichidae benthic native
Ophiura bathybia Ophiuridae benthic native
Ophiura cryptolepis Ophiuridae benthic native
Ophiura flagellata Ophiuridae benthic native
Ophiura irrorata Ophiuridae benthic native
Ophiura leptoctenia Ophiuridae benthic native
Ophiura luetkenii Gray brittle star Ophiuridae benthic native
Ophlitaspongia pennata Red encrusting sponge Microcionidae sessile native
Opisa tridentata Opisidae benthic native
Opisthodonta uraga Syllidae benthic native
Oplorhiza gracilis Campanulinidae native
Opuntiella californica Prickly pear seaweed Areschougiaceae benthic native
Oradarea longimana Calliopiidae benthic native
Orbinia felix Orbiniidae benthic native
Orchomenella obtusa Lysianassidae benthic 2.0 native
Orcinus orca Killer whale Delphinidae pelagic 4.5 native
Oregonia bifurca Splitnose crab Oregoniidae benthic native
Oregonia gracilis Graceful decorator crab Oregoniidae benthic native
Orthasterias koehleri Rainbow star Asteriidae benthic 4.4 native
Orthopagurus minimus Toothshell hermit Paguridae benthic native
Osmundea spectabilis Sea laurel Rhodomelaceae benthic native
Ostrea conchaphila Olympia oyster Ostreidae benthic 2.0 error
Ostrea edulis Edible oyster Ostreidae benthic 2.0 native
Ostrea lurida Yaquina oyster Ostreidae benthic 2.0 native
Ostreola conchaphila Ostreidae benthic native
Owenia collaris Oweniidae benthic native
Owenia fusiformis Tubeworm Oweniidae benthic 2.0 native
Pachycerianthus fimbriatus Tube-dwelling anemone Cerianthidae sessile native
Pachycheles pubescens Pubescent porcelain crab Porcellanidae benthic native
Pachycheles rudis Thickclaw porcelain crab Porcellanidae benthic native
Paguristes turgidus Orange hairy hermit Diogenidae benthic native
Paguristes ulreyi Furry hermit Diogenidae benthic native
Pagurus aleuticus Aleutican hermit Paguridae benthic native
Pagurus armatus Armed hermit Paguridae benthic native
Pagurus beringanus Bering hermit Paguridae benthic native
Pagurus caurinus Greenmark hermit Paguridae benthic native
Pagurus dalli Whiteknee hermit Paguridae benthic native
Pagurus granosimanus Grainyhand hermit Paguridae benthic native
Pagurus hemphilli Maroon hermit Paguridae benthic native
Pagurus hirsutiusculus Hairy hermit Paguridae benthic native
Pagurus kennerlyi Bluespine hermit Paguridae benthic native
Pagurus ochotensis Alaskan hermit Paguridae benthic native
Pagurus quaylei Quayle's hermit Paguridae benthic native
Pagurus samuelis Blueband hermit Paguridae benthic native
Pagurus setosus Setose hermit Paguridae benthic native
Pagurus stevensae Stevens hermit Paguridae benthic native
Pagurus tanneri Longhand hermit Paguridae benthic native
Pakynus barnardi Pakynidae benthic native
Paleanotus bellis Chrysopetalidae benthic native
Palio dubia Dubious dorid Polyceridae benthic native
Palmaria callophylloides Callophyllis-like dulse Palmariaceae benthic native
Palmaria mollis Thin dulse Palmariaceae benthic native
Pandalopsis dispar Sidestriped shrimp Pandalidae benthopelagic native
Pandalopsis lucidirimicola Sparkling shrimp Pandalidae benthic native
Pandalus borealis Northern shrimp Pandalidae benthopelagic 3.1 native
Pandalus danae Dock shrimp Pandalidae benthic native
Pandalus eous Alaskan pink shrimp Pandalidae benthic native
Pandalus goniurus Humpy shrimp Pandalidae benthic 3.2 native
Pandalus gurneyi California longbeak Pandalidae benthic native
Pandalus hypsinotus Coonstriped shrimp Pandalidae benthic native
Pandalus jordani Ocean shrimp Pandalidae benthic 3.2 native
Pandalus platyceros Spot shrimp Pandalidae benthic 3.7 native
Pandalus stenolepis Roughpatch shrimp Pandalidae benthic native
Pandalus tridens Yellowleg pandalid Pandalidae benthic native
Pandora bilirata Bilirate pandora Pandoridae benthic native
Pandora filosa Threaded pandora Pandoridae benthic native
Pandora punctata Punctate pandora Pandoridae benthic native
Pandora wardiana Giant pandora Pandoridae benthic native
Panomya ampla Ample roughmya Hiatellidae benthic native
Panopea abrupta Pacific geoduck clam Hiatellidae benthic 2.0 native
Panopea generosa Pacific geoduck Hiatellidae benthic 2.0 native
Pantachogon haeckeli Rhopalonematidae pelagic native
Paracalliopiella pratti Calliopiidae benthic native
Paracaudina chilensis Caudinidae benthic native
Paracrangon echinata Horned shrimp Crangonidae benthic native
Paracyathus stearnsii Brown cup coral Caryophylliidae reef-associated native
Paradexiospira vitrea Serpulidae sessile native
Paradoxostoma fraseri Paradoxostomatidae benthic native
Paragorgia arborea Bubble gum coral Coralliidae reef-associated native
Parametaphoxus quaylei Phoxocephalidae benthic native
Parametopella ninis Stenothoidae benthic native
Paramicrodeutopus schmitti Aoridae benthic native
Paranais litoralis Naididae demersal native
Paranaitis polynoides Phyllodocidae benthic native
Parandalia fauveli Pilargidae benthic native
Paranemertes californica Emplectonematidae benthic native
Paranemertes peregrina Mud nemertean Emplectonematidae benthic native
Paraonella platybranchia Paraonidae benthic native
Parapagurodes hartae Brilliant hermit Paguridae benthic native
Paraphoxus communis Phoxocephalidae benthic native
Paraphoxus gracilis Phoxocephalidae benthic native
Paraphoxus pacificus Phoxocephalidae benthic native
Parapleustes americanus Pleustidae benthic native
Parapleustes pugettensis Pleustidae benthic native
Paraprionospio pinnata Spionidae benthic 2.0 native
Parasabella media Parasol feather-duster Sabellidae benthic native
Parasagitta elegans Sagittidae pelagic 3.1 native
Parougia caeca Dorvilleidae benthic native
Parvilucina tenuisculpta Fine-line lucine Lucinidae benthic native
Pasiphaea pacifica Pacific glass shrimp Pasiphaeidae benthic native
Patinopecten caurinus Giant Pacific sea scallop Pectinidae benthic 2.5 native
Patiria miniata Bat star Asterinidae benthic 3.3 native
Peachia quinquecapitata Twelve-tentacled parasitic anemone Haloclavidae sessile native
Pectinaria californiensis Pectinariidae benthic native
Pectinaria granulata Tusk coneworm Pectinariidae benthic native
Pedicellaster magister Soft orange star Asteriidae benthic native
Pelecanus erythrorhynchos American white pelican Pelecanidae others 4.5 native
Pelecanus occidentalis Brown pelican Pelecanidae others 4.0 native
Pelvetiopsis limitata Little rockweed Fucaceae sessile native
Penares cortius Spotted gray sponge Geodiidae sessile native
Penitella conradi Abalone piddock Pholadidae benthic native
Penitella penita Flap-tip piddock Pholadidae benthic native
Penitella richardsoni Monterey piddock Pholadidae benthic native
Pentamera lissoplaca Phyllophoridae benthic native
Pentamera populifera Phyllophoridae benthic native
Pentamera pseudocalcigera Phyllophoridae benthic native
Peramphithoe humeralis Kelp-dwelling sea flea Ampithoidae benthic native
Peramphithoe lindbergi Ampithoidae benthic native
Peramphithoe plea Ampithoidae benthic native
Peribolaster biserialis Fuzzy star Korethrasteridae benthic native
Periphylla periphylla Merchant-cap Periphyllidae pelagic 3.3 native
Perophora annectens Yellow social tunicate Perophoridae sessile native
Perotripus brevis Phtisicidae native
Petaloconchus compactus Compact wormsnail Vermetidae sessile native
Petalonia fascia Scytosiphonaceae sessile native
Petrasma pervernicosa Gutless awningclam Solemyidae benthic native
Petricola carditoides Hearty petricola Veneridae benthic native
Petrolisthes cinctipes Flat porcelain crab Porcellanidae benthic native
Petrolisthes eriomerus Flattop crab Porcellanidae benthic native
Phacellophora camtschatica Fried egg jellyfish Ulmaridae benthopelagic 4.0 native
Phalacrocorax auritus Double-crested cormorant Phalacrocoracidae others 4.4 native
Phalacrocorax pelagicus Pelagic cormorant Phalacrocoracidae others 4.2 native
Phalacrocorax penicillatus Brandt's cormorant Phalacrocoracidae others 4.5 native
Phalaropus fulicarius Red phalarope Scolopacidae others 3.5 native
Phalaropus lobatus Red-necked phalarope Scolopacidae others 3.4 native
Phalaropus tricolor Wilson's phalarope Scolopacidae others 3.6 native
Phascolosoma agassizii Agassiz'z peanut worm Phascolosomatidae benthic native
Pherusa capulata Flabelligeridae benthic native
Pherusa inflata Flabelligeridae benthic native
Pherusa negligens Flabelligeridae benthic native
Pherusa neopapillata Flabelligeridae benthic native
Pherusa papillata Flabelligeridae benthic native
Pherusa plumosa Flabelligeridae benthic native
Phidolopora labiata Lacy bryozoan Reteporidae sessile native
Phidolopora pacifica Lattice-work bryozoan Reteporidae sessile native
Philobrya setosa Hairy philobrya Philobryidae sessile native
Philomedes dentata Philomedidae benthic native
Phoca vitulina Harbour seal Phocidae bathydemersal 4.5 native
Phocoena phocoena Harbour porpoise Phocoenidae pelagic 4.5 native
Phocoenoides dalli Dall's porpoise Phocoenidae pelagic 4.5 native
Phoebastria nigripes Black-footed albatross Diomedeidae others 4.3 native
Pholoe glabra Pholoidae benthic native
Pholoides asperus Pholoidae benthic native
Phorbas hoffmani Hoffman's horny sponge Hymedesmiidae sessile native
Phoronis ijimai Horseshoe worm Phoronidae benthic native
Phoronis muelleri Phoronidae sessile 2.0 native
Phoronis ovalis Phoronidae benthic native
Phoronis psammophila Phoronids Phoronidae sessile native
Phoronopsis albomaculata Phoronidae sessile native
Phoronopsis harmeri Large green phoronid Phoronidae sessile native
Phoronopsis vancouverensis Vancouver phoronid Phoronidae sessile native
Photis bifurcata Photidae benthic native
Photis brevipes Photidae benthic native
Photis conchicola Photidae benthic native
Photis lacia Photidae benthic native
Photis macinerneyi Photidae benthic native
Photis oligochaeta Photidae benthic native
Photis pachydactyla Photidae benthic native
Photis parvidons Photidae benthic native
Photis viuda Photidae benthic native
Phoxichilidium femoratum Phoxichilidiidae benthic 4.4 native
Phycodrys isabellae Delesseriaceae benthic native
Phyllaplysia taylori Zebra leafslug Notarchidae benthic 2.0 native
Phyllochaetopterus claparedii Tangled-straw three-section tubeworm Chaetopteridae benthic native
Phyllochaetopterus limicolus Chaetopteridae benthic native
Phyllochaetopterus prolifica Chaetopterid worm Chaetopteridae benthic native
Phyllodoce citrina Phyllodocidae benthic native
Phyllodoce cuspidata Phyllodocidae benthic native
Phyllodoce groenlandica Phyllodocidae benthic native
Phyllodoce hartmanae Phyllodocidae benthic native
Phyllodoce longipes Phyllodocidae benthic native
Phyllolithodes papillosus Flatspine triangle crab Lithodidae benthic native
Phylloplana viridis Green flatworm Leptoplanidae benthic native
Phylo felix Orbiniidae benthic native
Phylo nudus Orbiniidae demersal native
Phymatolithon calcareum Corallinaceae sessile native
Pilargis berkeleyae Pilargidae benthic native
Pilargis maculata Pilargidae benthic native
Pileolaria militaris Serpulidae sessile native
Pinnixa eburna Pinnotheridae benthic native
Pinnixa faba Mantle pea crab Pinnotheridae benthic native
Pinnixa littoralis Gaper pea crab Pinnotheridae benthic native
Pinnixa occidentalis Western pea crab Pinnotheridae benthic native
Pinnixa schmitti Schmitt pea crab Pinnotheridae benthic native
Pinnixa tubicola Tube-dwelling pea crab Pinnotheridae benthic native
Pionosyllis gigantea Giant red necklace-worm Syllidae benthic native
Pionosyllis magnifica Syllidae benthic native
Piromis hospitis Flabelligeridae benthic native
Pisaster brevispinus Short spined sea star Asteriidae benthic 3.8 native
Pisaster giganteus Giant spined star Asteriidae benthic 3.4 native
Pisaster ochraceus Purple star Asteriidae benthic 3.4 native
Pisione remota Pisionidae benthic 2.0 native
Pista brevibranchiata Terebellidae benthic 2.0 native
Pista maculata Fiber tube worm Terebellidae benthic native
Pista moorei Terebellidae benthic native
Pista pacifica Fringed-hood spaghetti-worm Terebellidae benthic native
Placetron wosnessenskii Scaled crab Lithodidae benthic native
Placida dendritica Dendritic placida Limapontiidae demersal native
Placiphorella rufa Red veiled chiton Mopaliidae benthic native
Placiphorella velata Veiled Pacific chiton Mopaliidae benthic native
Platynereis bicanaliculata Nereididae benthic native
Platyodon cancellatus Boring softshell Myidae benthic native
Platysiphonia clevelandii Sarcomeniaceae benthic native
Pleonosporium vancouverianum Ceramiaceae benthic native
Pleurobrachia bachei Pleurobrachiidae pelagic 3.8 native
Pleurogonium californiense Paramunnidae benthic native
Pleurogonium rubicundum Paramunnidae benthic native
Pleurophycus gardneri Broad-rib kelp Laminariaceae sessile native
Pleusirus secorrus Pleustidae native
Pleusymtes subglaber Pleustidae native
Plumularia setacea Little seabristle Plumulariidae sessile native
Pluvialis squatarola Grey plover Charadriidae others 3.6 native
Podarkeopsis glabrus Hesionidae benthic native
Podarkeopsis perkinsi Hesionidae benthic native
Pododesmus macrochisma Green falsejingle Anomiidae benthic native
Poecilochaetus johnsoni Poecilochaetidae benthic native
Pollicipes polymerus Leaf barnacle Pollicipedidae sessile native
Polycheria osborni Dexaminidae benthic native
Polycirrus californicus Terebellidae benthic native
Polydora cardalia Spionidae benthic native
Polydora cornuta Whip mudworm Spionidae benthic native
Polydora limicola Spionidae benthic native
Polydora pygidialis Spionidae benthic native
Polydora socialis Spionidae benthic native
Polydora websteri Oyster mudworm Spionidae benthic native
Polygireulima rutila Auburn eulima Eulimidae benthic native
Polymastia pachymastia Black-orange spud sponge Polymastiidae sessile native
Polymastia pacifica Aggregated nipple sponge Polymastiidae sessile native
Polyneura latissima Network red seaweed Delesseriaceae benthic native
Polynoe canadensis Polynoidae benthic native
Polyorchis penicillatus Penicillate jellyfish Polyorchidae pelagic native
Polysiphonia pacifica Rhodomelaceae benthic native
Pomaulax gibberosus Turbinidae benthic native
Pontogeneia rostrata Eusiridae benthic native
Poraniopsis inflata Spiny sea star Echinasteridae benthic native
Porella porifera Bryocryptellidae sessile native
Poromya trosti Poromyidae benthic native
Porphyra gardneri Kelp-fringing nori Bangiaceae benthic native
Porphyra nereocystis Bull-kelp nori Bangiaceae benthic native
Porphyra perforata Bangiaceae benthic native
Postelsia palmaeformis Sea palm Lessoniaceae sessile native
Potamilla intermedia Sabellidae benthic native
Potamilla myriops Sabellidae benthic native
Potamilla occelata Sabellidae benthic native
Pourtalesia tanneri Pourtalesiidae benthic native
Prachynella lodo Lysianassidae native
Prasiola meridionalis Short sea lettuce Prasiolaceae benthic native
Praxillella pacifica Maldanidae demersal native
Prionospio multibranchiata Spionidae benthic native
Prionospio pygmaea Spionidae benthic native
Prionospio steenstrupi Spionidae benthic native
Proboscidactyla flavicirrata Proboscidactylidae pelagic 3.3 native
Prochaetoderma clenchi Prochaetodermatidae benthic native
Prochaetoderma yongei Prochaetodermatidae benthic native
Prosphaerosyllis brandhorsti Syllidae benthic native
Protodorvillea gracilis Dorvilleidae benthic native
Protolaeospira eximia Serpulidae sessile native
Protomedeia articulata Isaeidae benthic native
Protomedeia prudens Isaeidae benthic native
Protothaca tenerrima Thin-shell littleneck Veneridae benthic native
Protula pacifica White-crowned calcareous tubeworm Serpulidae sessile native
Psathyrometra fragilis Antedonidae benthic native
Pseudarchaster alascensis Aleutian scarlet star Goniasteridae benthic 3.6 native
Pseudarchaster dissonus Giant brown pseudarchaster Goniasteridae benthic native
Pseudarchaster parelii Northern scarlet star Goniasteridae benthic native
Pseudione galacanthae Squat lobster parasitic isopod Bopyridae host native
Pseudobradya crassipes Ectinosomatidae benthic native
Pseudoceros luteus Polyclad flatworm Pseudoceritidae benthic native
Pseudochitinopoma occidentalis Western calcareous tubeworm Serpulidae sessile native
Pseudocnus lubricus Cucumariidae benthic native
Pseudopolydora paucibranchiata Elkhorn slough spionid Spionidae benthic native
Pseudorca crassidens False killer whale Delphinidae pelagic 4.5 native
Pseudosuberites montiniger Peachball sponge Suberitidae sessile native
Pseudotanais oculatus Pseudotanaidae benthic native
Psilaster pectinatus Astropectinidae benthic native
Psolidium bidiscum Pale creeping pedal sea cucumber Psolidae benthic native
Psolus chitinoides Slipper sea cucumber Psolidae benthic native
Pteraster jordani Jordan's cushion star Pterasteridae benthic native
Pteraster marsippus Prickly cushion star Pterasteridae benthic native
Pteraster militaris Wrinkled sea star Pterasteridae benthic 3.2 native
Pteraster tesselatus Tesselated slime star Pterasteridae benthic 3.0 native
Pterocirrus parvoseta Phyllodocidae benthic native
Pterosiphonia bipinnata Rhodomelaceae benthic native
Pterosiphonia dendroidea Rhodomelaceae epiphytic native
Pterosiphonia gracilis Rhodomelaceae benthic native
Pterygophora californica Old growth kelp Alariaceae sessile native
Ptilosarcus gurneyi Orange sea pen Pennatulidae sessile native
Ptychogastria polaris Ptychogastriidae pelagic native
Ptychogena californica Laodiceidae pelagic native
Ptychogena lactea Laodiceidae pelagic native
Ptychoramphus aleuticus Cassin's auklet Alcidae others 4.0 native
Puffinus bulleri Buller's shearwater Procellariidae others 4.0 native
Puffinus carneipes Flesh-footed shearwater Procellariidae others 4.2 native
Puffinus griseus Sooty shearwater Procellariidae others 4.1 native
Puffinus tenuirostris Short-tailed shearwater Procellariidae others 4.1 native
Pugettia gracilis Graceful kelp crab Epialtidae benthic native
Pugettia producta Northern kelp crab Epialtidae benthic native
Pugettia richii Cryptic kelp crab Epialtidae benthic native
Puncturella cooperi Fissurellidae demersal native
Puncturella galeata Helmet puncturella Fissurellidae benthic native
Pycnoclavella stanleyi Social tunicate Clavelinidae sessile native
Pycnogonum rickettsi Pycnogonidae benthic native
Pycnophyes sanjuanensis Pycnophyidae benthic native
Pycnopodia helianthoides Sunflower star Asteriidae benthic native
Pyura haustor Warty tunicate Pyuridae sessile native
Pyura mirabilis Aladdin's lamp tunicate Pyuridae sessile native
Quasicorambe pacifica Frost-spot corambe Corambidae benthic native
Ralfsia fungiformis Ralfsiaceae sessile native
Ramellogammarus vancouverensis Anisogammaridae native
Rathbunaster californicus California sun star Asteriidae benthic native
Rathkea octopunctata Rathkeidae pelagic 3.2 native
Reginella furcata Cribrilinidae sessile native
Retiometra alascana Antedonidae benthic native
Rhabdocalyptus dawsoni Boot sponge Rossellidae sessile native
Rhabdus rectius Straight tuskshell Rhabdidae benthic native
Rhachotropis barnardi Eusiridae benthic native
Rhachotropis clemens Eusiridae benthic native
Rhachotropis conlanae Eusiridae benthic native
Rhachotropis oculata Eusiridae benthic native
Rhepoxynius abronius Phoxocephalidae benthic native
Rhepoxynius barnardi Phoxocephalidae benthic native
Rhepoxynius bicuspidatus Phoxocephalidae benthic native
Rhepoxynius boreovariatus Phoxocephalidae benthic native
Rhepoxynius daboius Phoxocephalidae benthic native
Rhepoxynius pallidus Phoxocephalidae benthic native
Rhepoxynius tridentatus Phoxocephalidae benthic native
Rhepoxynius variatus Phoxocephalidae benthic native
Rhepoxynius vigitegus Phoxocephalidae benthic native
Rhinolithodes wosnessenskii Rhinoceros crab Lithodidae benthic native
Rhizocaulus verticillatus Horsetail hydroid Campanulariidae sessile native
Rhizorhagium roseum Creeping orange hydroid Bougainvilliidae sessile native
Rhodine bitorquata Maldanidae demersal native
Rhodoptilum plumosum Plumose red braid Dasyaceae benthic native
Rhodymenia californica Rhodymeniaceae benthic native
Rhodymenia pacifica Pacific rose seaweed Rhodymeniaceae benthic native
Rhynchospio glutaea Spionidae benthic native
Rhynchozoon rostratum Yellow encrusting bryozoan Phidoloporidae sessile native
Rhynocrangon alata Saddleback shrimp Crangonidae benthic native
Rhynohalicella halona Pardaliscidae native
Rictaxis punctocaelatus Spotted rictaxis Acteonidae benthic native
Rissoina newcombei Rissoinidae benthic native
Ritterella pulchra Orange compound tunicate Ritterellidae sessile native
Rochefortia compressa Compressed mysella Lasaeidae benthic native
Rochefortia grippi Elliptical mysella Lasaeidae benthic native
Rochefortia tumida Robust mysella Lasaeidae benthic native
Rocinela americana Aegidae host native
Rocinela angustata Aegidae host native
Rocinela belliceps Aegidae host native
Rocinela propodialis Pink parasitic isopod Aegidae host native
Romaleon antennarium California red rock crab Cancridae benthic native
Romaleon branneri Furrowed rock crab Cancridae benthic native
Rossia pacifica North Pacific bobtail Sepiolidae benthic 3.8 native
Rostanga pulchra Red sponge nudibranch Discodorididae benthic 3.0 native
Ruditapes philippinarum Japanese carpet shell Veneridae benthic 2.0 native
Rutiderma lomae Rutidermatidae native
Saccharina latissima Sea belt Laminariaceae sessile native
Sagenaster evermanni Evermann's star Zoroasteridae benthic native
Sahlingia subintegra Erythrotrichiaceae epiphytic native
Salmacina tribranchiata Fragile tube worm Serpulidae sessile native
Samytha californiensis Ampharetidae benthic native
Sarcodiotheca furcata Furcated fleshy red seaweed Areschougiaceae benthic native
Sarcodiotheca gaudichaudii Succulent seaweed Areschougiaceae benthic native
Sargassum muticum Jap weed Sargassaceae sessile native
Sarsia tubulosa Clapper hydroid Corynidae pelagic 3.4 native
Saxicavella pacifica Elongate saxicave Hiatellidae benthic native
Saxidomus gigantea Washington butterclam Veneridae benthic native
Scabrotrophon maltzani Muricidae benthic native
Schistocomus hiltoni Ampharetidae benthic native
Schisturella cocula Uristidae native
Schizobranchia insignis Split-branch feather-duster Sabellidae benthic native
Schizoporella cornuta Schizoporellidae sessile native
Schizoporella japonica Schizoporellidae sessile native
Schizoporella unicornis Orange encrusting bryozoan Schizoporellidae sessile native
Schizymenia pacifica Schizymeniaceae benthic native
Scinaia confusa Fleshy bush seaweed Galaxauraceae benthic native
Scintillona bellerophon Sea-cucumber galeommatid Galeommatidae benthic native
Scionella estevanica Terebellidae benthic native
Scionella japonica Terebellidae benthic native
Scleroconcha trituberculata Philomedidae benthic native
Scleroplax granulata Burrow pea crab Pinnotheridae benthic native
Scolelepis foliosa Spionidae benthic native
Scolelepis squamata Spionidae benthic 2.0 native
Scoloplos acmeceps Orbiniidae benthic native
Scoloplos armiger Armed bristleworm Orbiniidae benthic 2.0 native
Scrupocellaria californica Scrupocellariidae sessile native
Scyra acutifrons Sharpnose crab Epialtidae benthic native
Scytosiphon lomentaria Beanweed Scytosiphonaceae sessile native
Semele rubropicta Rose-painted semele Semelidae benthic native
Semibalanus balanoides Northern rock barnacle Archaeobalanidae sessile native
Semibalanus cariosus Thatched barnacle Archaeobalanidae benthic native
Semisuberites cribrosa Vase sponge Esperiopsidae sessile native
Serpula columbiana Red trumpet calcareous tubeworm Serpulidae sessile native
Serpula vermicularis Serpulid worm Serpulidae benthic native
Serripes groenlandicus Greenland smoothcockle Cardiidae benthic native
Sertularella tricuspidata Sertulariidae benthic native
Sigambra bassi Pilargidae benthic native
Sigambra setosa Pilargidae benthic native
Sigambra tentaculata Pilargidae benthic native
Sigmadocia edaphus Chalinidae sessile native
Simomactra falcata Hooked surfclam Mactridae benthic native
Sinelobus stanfordi Tanaididae benthic native
Siphonenteron bilineatum Lineidae benthic 3.1 native
Siphonosoma ingens Sipunculidae benthic native
Sipunculus norvegicus Sipunculidae benthic native
Smithora naiadum Red fringe Erythrotrichiaceae benthic native
Solamen columbianum British Columbia crenella Mytilidae benthic native
Solariella peramabilis Lovely solarelle Trochidae benthic native
Solariella varicosa Varicose solarelle Trochidae benthic native
Solaster borealis Deepsea sun star Solasteridae benthic native
Solaster dawsoni Morning sun star Solasteridae benthic 4.0 native
Solaster endeca Northern sun star Solasteridae benthic 3.0 native
Solaster paxillatus Orange sunstar Solasteridae benthic 3.6 native
Solaster stimpsoni Striped sun star Solasteridae benthic 3.2 native
Solen sicarius Sickle jackknife Solenidae benthic native
Solidobalanus engbergi Hydrocoral barnacle Archaeobalanidae sessile native
Somateria spectabilis King eider Anatidae others 3.3 native
Sosane occidentalis Ampharetidae benthic native
Sosanopsis wireni Ampharetidae benthic native
Sparlingia pertusa Red eyelet silk Rhodymeniaceae benthic native
Sperosoma biseriatum Echinothuriidae benthic native
Sperosoma giganteum Echinothuriidae benthic native
Sphacelaria subfusca Sphacelariaceae sessile native
Sphaerodoropsis minuta Sphaerodoridae benthic native
Sphaerodoropsis sphaerulifer Sphaerodoridae benthic native
Sphaerodorum papillifer Sphaerodoridae benthic native
Sphaerosyllis californiensis Syllidae benthic native
Spio butleri Spionidae benthic native
Spio cirrifera Spionidae benthic native
Spio filicornis Spionidae benthic 2.0 native
Spiochaetopterus costarum Glassy tube worm Chaetopteridae sessile native
Spiophanes berkeleyorum Spionidae benthic native
Spiophanes bombyx Bee spionid Spionidae benthic 2.0 native
Spiophanes kroyeri Spionidae benthic native
Spirontocaris arcuata Rathbun blade shrimp Thoridae benthic native
Spirontocaris holmesi Slender blade shrimp Thoridae benthic native
Spirontocaris lamellicornis Dana's blade shrimp Thoridae benthic native
Spirontocaris ochotensis Oval blade shrimp Thoridae benthic native
Spirontocaris prionota Deep blade shrimp Thoridae benthic native
Spirontocaris sica Offshore blade shrimp Thoridae benthic native
Spirontocaris snyderi Snyder blade shrimp Thoridae benthic native
Staurocalyptus dowlingi Round lipped boot sponge Rossellidae sessile native
Stegophiura carinata Ophiuridae benthic native
Stelletta clarella Thick white prickly sponge Ancorinidae sessile native
Stenella coeruleoalba Striped dolphin Delphinidae pelagic-oceanic 4.5 native
Stenogramme interrupta Midrib seaweed Phyllophoraceae benthic native
Stercorarius longicaudus Long-tailed jaeger Stercorariidae pelagic 3.8 native
Stercorarius maccormicki South polar skua Stercorariidae pelagic 4.5 native
Sterna forsteri Forster's tern Laridae others 4.2 native
Sterna hirundo Common tern Laridae others 4.4 native
Sterna paradisaea Arctic tern Laridae others 4.2 native
Sternaspis fossor Sternaspidae benthic native
Sthenelais berkeleyi Sigalionidae benthic native
Sthenelais fusca Sigalionidae benthic native
Sthenelais tertiaglabra Sigalionidae benthic native
Sthenelais verruculosa Sigalionidae benthic native
Stomotoca atra Hanging stomach jelly Pandeidae pelagic 4.0 native
Stomphia coccinea Swimming anemone Actinostolidae sessile native
Stomphia didemon Cowardly anemone Actinostolidae sessile native
Streblosoma bairdi Terebellidae sessile native
Streblospio benedicti Bar-gilled mudworm Spionidae benthic native
Strongylocentrotus droebachiensis Northern sea urchin Strongylocentrotidae benthic 2.4 native
Strongylocentrotus fragilis Orange-pink sea urchin Strongylocentrotidae benthic native
Strongylocentrotus pallidus Pale urchin Strongylocentrotidae benthic native
Strongylocentrotus purpuratus purple urchin Strongylocentrotidae benthic native
Styela clava Clubbed tunicate Styelidae sessile native
Styela gibbsii Peanut sea squirt Styelidae sessile native
Styela montereyensis Stalked sea squirt Styelidae sessile native
Stylantheca porphyra Encrusting hydrocoral Stylasteridae benthic native
Stylaster campylecus White branching hydrocoral Stylasteridae benthic native
Stylaster norvegicus Pink branching hydrocoral Stylasteridae benthic native
Stylaster venustus Fuchsia lace hydrocoral Stylasteridae pelagic native
Stylaster verrillii Pink branching lace hydrocoral Stylasteridae pelagic native
Stylasterias forreri Fish-eating star Asteriidae benthic 4.5 native
Stylatula elongata Slender sea pen Virgulariidae sessile native
Stylidium eschrichtii Threaded cerith Cerithiidae benthic native
Stylochus californicus Stylochidae native
Stylochus exiguus Stylochidae benthic native
Stylonema alsidii Stylonemataceae epiphytic native
Syllides fulva Syllidae benthic native
Syllides longocirratus Syllidae benthic native
Syllides reishi Syllidae benthic native
Syllis armillaris Syllidae benthic native
Syllis elongata Syllidae benthic native
Syllis heterochaeta Syllidae benthic native
Syllis sclerolaema Syllidae benthic native
Syllis variegata Syllidae benthic native
Synidotea angulata Idoteidae benthic native
Synidotea media Idoteidae benthic native
Synidotea nebulosa Idoteidae benthic native
Synidotea nodulosa Idoteidae benthic native
Synidotea pettiboneae Idoteidae benthic native
Synidotea picta Idoteidae benthic native
Synoicum parfustis Peach-coloured compound tunicate Polyclinidae sessile native
Synthliboramphus antiquus Ancient murrelet Alcidae others 4.2 native
Syringoderma abyssicola Syringodermataceae sessile native
Syrrhoe longifrons Synopiidae benthic native
Tachyrhynchus lacteolus Milky turretsnail Turritellidae demersal native
Tanystylum occidentalis Ammotheidae benthic native
Tarsaster alaskanus Alaskan star Asteriidae benthic native
Tectidrilus diversus Naididae benthic native
Tectura fenestrata Fenestrate limpet Lottiidae benthic native
Tectura paleacea Surfgrass limpet Lottiidae benthic native
Tectura persona Mask limpet Lottiidae benthic native
Tectura rosacea Pacific rosy limpet Lottiidae benthic native
Tectura scutum Plate limpet Lottiidae benthic 2.0 native
Tegula funebralis Black turban snail Tegulidae benthic native
Tegula pulligo Dusky tegula Tegulidae benthic native
Tellina bodegensis Bodega tellin Tellinidae benthic native
Tellina carpenteri Carpenter tellin Tellinidae benthic native
Tellina modesta Plain tellin Tellinidae benthic native
Tellina nuculoides Salmon tellin Tellinidae benthic native
Telmessus cheiragonus Helmet crab Cheiragonidae benthic native
Tenonia priops Polynoidae benthic native
Terebellides californica Trichobranchidae benthic native
Terebellides reishi Trichobranchidae sessile native
Terebellides stroemii Stroem's trichobranchid worm Trichobranchidae benthic 2.0 native
Terebratalia transversa Lampshell Laqueidae benthic native
Terebratulina unguicula Snake's head lamp shell Cancellothyrididae benthic native
Tethya californiana Orange rough ball Tethyidae sessile native
Tetrastemma nigrifrons White-lined ribbon worm Tetrastemmatidae benthic native
Tharyx dorsobranchialis Cirratulidae benthic native
Tharyx parvus Cirratulidae benthic native
Thelepus crispus Terebellid worm Terebellidae benthic native
Thelepus hamatus Terebellidae benthic native
Thelepus setosus Spaghetti worm Terebellidae benthic native
Thracia trapezoides Trapezoid thracia Thraciidae benthic native
Thrissacanthias penicillatus Astropectinidae benthic native
Thuiaria distans Sertulariidae demersal native
Thuiaria tenera Sertulariidae demersal native
Thuiaria thuja Bottlebrush hydroid Sertulariidae sessile native
Thyasira flexuosa Flexuose cleftclam Thyasiridae benthic 2.0 native
Thyone benti Bent sea cucumber Phyllophoridae benthic native
Thyonicola americana Eulimidae benthic native
Thyonidium kurilensis Sclerodactylidae benthic native
Thysanocardia nigra Golfingiidae benthic native
Tiaropsidium kelsei Tiaropsidae pelagic native
Tiaropsis multicirrata Tiaropsidae pelagic native
Tiron biocellata Synopiidae benthic native
Tochuina tetraquetra Giant orange tochui Tritoniidae benthic 4.4 native
Tomopteris pacifica Tailed Pacific transparent-worm Tomopteridae benthic native
Tomopteris septentrionalis Tail-less Pacific transparent-worm Tomopteridae benthic native
Tonicella insignis White-line chiton Tonicellidae benthic native
Tonicella lineata Lined chiton Tonicellidae benthic 2.0 native
Tonicella undocaerulea Blue-line chiton Tonicellidae benthic native
Tonicella venusta Lovely chiton Tonicellidae benthic native
Trachypleustes trevori Pleustidae native
Transennella tantilla Purple transennella Veneridae benthic native
Traskorchestia traskiana Splash-zone beach hopper Talitridae benthic native
Travisia brevis Opheliidae demersal native
Travisia pupa Opheliidae demersal native
Tresus capax Fat gaper Mactridae benthic native
Tresus nuttallii Pacific gaper Mactridae benthic 2.0 native
Tricellaria erecta Scrupocellariidae sessile native
Tricellaria occidentalis Scrupocellariidae sessile native
Trichotropis cancellata Cancellate hairysnail Capulidae benthic native
Trididemnum alexi Speckled compound tunicate Didemnidae sessile native
Trididemnum opacum Didemnidae sessile native
Tringa flavipes Lesser yellowlegs Scolopacidae others 3.1 native
Tringa incana Wandering tattler Scolopacidae others 3.6 native
Tringa melanoleuca Greater yellowlegs Scolopacidae others 3.4 native
Tringa semipalmata Willet Scolopacidae others 3.4 native
Triopha catalinae Sea-clown triopha Polyceridae benthic native
Triopha maculata Maculated triopha Polyceridae benthic native
Tripoplax trifida Ischnochitonidae benthic native
Tritella laevis Protellidae benthic native
Tritella pilimana Protellidae benthic native
Triticella elongata Triticellidae sessile native
Triticella pedicellata Triticellidae sessile native
Tritonia diomedea Rosy tritonia Tritoniidae benthic native
Tritonia festiva Diamondback tritonia Tritoniidae benthic 3.6 native
Trochochaeta multisetosa Trochochaetidae benthic native
Trophonopsis lasius Muricidae benthic native
Trypanosyllis ingens Purple-stub necklace-worm Syllidae benthic native
Trypostega claviculata Trypostegidae sessile native
Tubificoides bakeri Naididae benthic native
Tubificoides brownae Naididae benthic native
Tubificoides diazi Naididae benthic native
Tubificoides wasselli Naididae benthic native
Tubulanus albocinctus White-ringed ribbon worm Tubulanidae benthic native
Tubulanus capistratus Tubulanidae benthic native
Tubulanus cingulatus Tubulanidae benthic native
Tubulanus frenatus Tubulanidae benthic native
Tubulanus pellucidus Tubulanidae benthic native
Tubulanus polymorphus Orange ribbon worm Tubulanidae benthic native
Tubulanus sexlineatus Six-lined ribbon worm Tubulanidae benthic native
Tubularia indivisa Tall tubularia Tubulariidae sessile native
Tubulipora pacifica Tubuliporidae sessile native
Tubulipora tuba Tubuliporidae sessile native
Turbonilla aurantia Pyramidellidae benthic native
Turbonilla chocolata Pyramidellidae benthic native
Turbonilla lyalli Pyramidellidae benthic native
Turbonilla pugetensis Pyramidellidae benthic native
Tursiops truncatus Bottlenose dolphin Delphinidae pelagic 4.5 native
Typosyllis aciculata Syllidae benthic native
Typosyllis alternata Syllidae benthic native
Typosyllis cornuta Syllidae benthic native
Typosyllis harti Syllidae benthic native
Typosyllis hyalina Syllidae benthic native
Ulva intestinalis Hollow green nori Ulvaceae sessile native
Ulva lactuca Sea lettuce Ulvaceae sessile native
Ulva linza Flat-tube sea lettuce Ulvaceae sessile native
Upogebia pugettensis Blue mud shrimp Upogebiidae benthic 2.0 native
Uria aalge Common murre Alcidae others 4.2 native
Urospora penicilliformis Green hair Acrosiphoniaceae sessile native
Urothoe denticulata Urothoidae benthic native
Urticina columbiana Crusty red anemone Actiniidae sessile native
Urticina coriacea Leathery anemone Actiniidae sessile native
Urticina crassicornis Mottled anemone Actiniidae sessile 3.6 native
Urticina lofotensis Spotted red anemone Actiniidae sessile native
Urticina piscivora Velvety red anemone Actiniidae sessile native
Vargula americana Cypridinidae pelagic native
Vaunthompsonia pacifica Bodotriidae demersal native
Velutina laevigata Velutinidae demersal native
Velutina rubra Red lamellaria Velutinidae benthic native
Velutina velutina Smooth lamellaria Velutinidae benthic native
Vermetus compactus Northern compact wormsnail Vermetidae benthic native
Vermiliopsis infundibulum Serpulidae sessile native
Vitreolina columbiana Eulimidae demersal native
Watersipora subovoidea Black and red encrusting bryozoan Watersiporidae sessile native
Wecomedon wecomus Lysianassidae benthic native
Xema sabini Sabine's gull Laridae others 4.1 native
Xestospongia hispida Hard gnarled clump sponge Petrosiidae sessile native
Xestospongia trindanea Petrosiidae sessile native
Xylophaga washingtona Washington woodeater Xylophagaidae benthic native
Yoldia beringiana Yoldiidae benthic native
Yoldia seminuda Oblique-lined yoldia Yoldiidae benthic native
Zalophus californianus California sea lion Otariidae bathydemersal 4.5 native
Zelentia pustulata Pimpled aeolid Trinchesiidae benthic native
Zeuxo normani Tanaididae benthic native
Ziphius cavirostris Cuvier's beaked whale Ziphiidae pelagic 4.5 native
Zirfaea pilsbryi Pilsbry piddock Pholadidae benthic native
Zoroaster ophiurus Zoroasteridae benthic native
Zostera japonica Intertidal seagrass Zosteraceae sessile native
Zostera marina Eel-grass Zosteraceae sessile native
Zygeupolia rubens Lineidae benthic native
Zygonemertes virescens Amphiporidae benthic 3.3 native
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