Abundance - Ciona intestinalis
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Abundance List for Ciona intestinalis
[n = 457]
Country Locality Introduced Year Qualitative Value Ref.
United States (contiguous states) Port Hueneme (Entrance: Jack's Landing) 2000 - 2000 abundant 1752
United States (contiguous states) Port of Oakland 2005 - rare 84125
Canada Prince Edward Island, Prince Edward Island 2004 - abundant 84114
Canada Prince Edward Island, Prince Edward Island 2005 - common 84114
Canada Prince Edward Island, Prince Edward Island - extremely abundant 84114
United States (contiguous states) Puget Sound 1998 - absent 84112
United States (contiguous states) Puget Sound - absent 84114
Canada Quebec, Gulf of St. Lawrence, Quebec - rare 84114
United States (contiguous states) Quivira Basin, Mission Bay 1994 - rare 1752
United States (contiguous states) Quivira Basin, Mission Bay 1995 - rare 1752
United States (contiguous states) Quivira Basin, Mission Bay 1996 - rare 1752
United States (contiguous states) Quivira Basin, Mission Bay 1997 - rare 1752
United States (contiguous states) Quivira Basin, Mission Bay 1998 - rare 1752
United States (contiguous states) Quivira Basin, Mission Bay 2000 - rare 1752
United States (contiguous states) Redwood City Marina 2005 - rare 84125
United States (contiguous states) RI - rare 84118
United States (contiguous states) Richardson Bay 2005 - rare 84125
United States (contiguous states) 24th Street, San Diego Bay 1994 - absent 1752
United States (contiguous states) 24th Street, San Diego Bay 1995 - rare 1752
United States (contiguous states) 24th Street, San Diego Bay 1996 - rare 1752
United States (contiguous states) 24th Street, San Diego Bay 1997 - rare 1752
United States (contiguous states) 24th Street, San Diego Bay 1998 - rare 1752
United States (contiguous states) 24th Street, San Diego Bay, dredged 1995 - absent 1752
United States (contiguous states) AK - absent 84114
United States (contiguous states) Anacapa Island Marina, Port Hueneme 1994 - rare 1752
United States (contiguous states) Anacapa Island Marina, Port Hueneme 1995 - rare 1752
United States (contiguous states) Anacapa Island Marina, Port Hueneme 1996 - absent 1752
United States (contiguous states) Anacapa Island Marina, Port Hueneme 1997 - absent 1752
United States (contiguous states) Anacapa Island Marina, Port Hueneme 1998 - absent 1752
United States (contiguous states) Anacapa Island Marina, Port Hueneme 2000 - rare 1752
Australia Australia (ports) - common 84114
United States (contiguous states) Avery Point docks, Groton 2003 - absent 84128
United States (contiguous states) Avery Point docks, Groton 2003 - absent 84128
United States (contiguous states) Avery Point docks, Groton 2003 - absent 84128
United States (contiguous states) Avery Point docks, Groton 2003 - rare 84128
United States (contiguous states) Avery Point docks, Groton 2003 - rare 84128
United States (contiguous states) Avery Point docks, Groton 2003 - rare 84128
United States (contiguous states) Avery Point docks, Groton 2003 - rare 84128
United States (contiguous states) Avery Point docks, Groton 2003 - rare 84128
United States (contiguous states) Avery Point docks, Groton 2003 - rare 84128
United States (contiguous states) Avery Point docks, Groton 2003 - rare 84128
United States (contiguous states) Avery Point docks, Groton 2003 - absent 84128
United States (contiguous states) Avery Point docks, Groton 2003 - absent 84128
United States (contiguous states) Ayala Cove, Angel Island 2005 - rare 84125
United States (contiguous states) Back Harbour, Long Beach Marina 1994 - absent 1752
United States (contiguous states) Back Harbour, Long Beach Marina 1995 - absent 1752
United States (contiguous states) Back Harbour, Long Beach Marina 1996 - absent 1752
United States (contiguous states) Back Harbour, Long Beach Marina 1997 - absent 1752
United States (contiguous states) Back Harbour, Long Beach Marina 1998 - absent 1752
United States (contiguous states) Back Harbour, Long Beach Marina 2000 - rare 1752
United States (contiguous states) Back Harbour, Oceanside 1994 - absent 1752
United States (contiguous states) Back Harbour, Oceanside 1995 - absent 1752
United States (contiguous states) Back Harbour, Oceanside 1997 - absent 1752
United States (contiguous states) Back Harbour, Oceanside 1998 - absent 1752
United States (contiguous states) Back Harbour: Pierpont Yacht Club, Ventura 1994 - rare 1752
United States (contiguous states) Back Harbour: Pierpont Yacht Club, Ventura 1995 - rare 1752
United States (contiguous states) Back Harbour: Pierpont Yacht Club, Ventura 1996 - rare 1752
United States (contiguous states) Back Harbour: Pierpont Yacht Club, Ventura 1997 - rare 1752
United States (contiguous states) Back Harbour: Pierpont Yacht Club, Ventura 1998 - absent 1752
United States (contiguous states) Bahia Point, Mission Bay 1994 - absent 1752
United States (contiguous states) Bahia Point, Mission Bay 1995 - absent 1752
United States (contiguous states) Bahia Point, Mission Bay 1996 - rare 1752
United States (contiguous states) Bahia Point, Mission Bay 1997 - absent 1752
United States (contiguous states) Bahia Point, Mission Bay 1998 - rare 1752
Mexico Baja California - extremely abundant 84114
United States (contiguous states) Ballena Bay 2005 - common 84125
United States (contiguous states) Bay Point Marina 2000 - absent 84102
United States (contiguous states) Black Falcon Terminal 2000 - absent 84102
United States (contiguous states) Bodega Bay 2006 - common 84125
United States (contiguous states) Bourne Marina 2000 - absent 84102
United States (contiguous states) Brewer South Freeport ME 2003 - absent 84102
United States (contiguous states) Brewer Yacht Yard at Mystic 2003 - absent 84102
United States (contiguous states) Bulk Carrier Terminal 2005 - common 84125
United States (contiguous states) CA - extremely abundant 84114
United States (contiguous states) California - extremely abundant 84114
Canada Canadian waters - abundant 84114
United States (contiguous states) Cape Ann Marina 2000 - absent 84102
United States (contiguous states) Cape Cod - very common 84099
United States (contiguous states) Central Basin 2005 - rare 84125
United States (contiguous states) Channel Islands Harbour 2006 - common 84125
United States (contiguous states) Chula Vista Marina 2005 - common 84125
United States (contiguous states) Coast Guard Island 2005 - common 84125
United States (contiguous states) Constitution Marina 2000 - absent 84102
United States (contiguous states) Coronado Cays 2005 - rare 84125
United States (contiguous states) Coronado Wharf 2005 - rare 84125
United States (contiguous states) Coyote Point Marina 2005 - common 84125
United States (contiguous states) Cruise Ship Terminal 2005 - rare 84125
United States (contiguous states) Cruise Ship Terminal 2005 - rare 84125
United States (contiguous states) Dana Landing, Mission Bay 1994 - absent 1752
United States (contiguous states) Dana Landing, Mission Bay 1995 - absent 1752
United States (contiguous states) Dana Landing, Mission Bay 1996 - absent 1752
United States (contiguous states) Dana Landing, Mission Bay 1997 - absent 1752
United States (contiguous states) Dana Landing, Mission Bay 1998 - rare 1752
United States (contiguous states) Dana Point 1994 - 1994 absent 1752
United States (contiguous states) Dana Point 1996 - 1996 rare 1752
United States (contiguous states) Dana Point 1997 - 1997 absent 1752
United States (contiguous states) Dana Point 1997 - 1997 absent 1752
United States (contiguous states) Dana Point 1998 - 1998 absent 1752
United States (contiguous states) Dana Point 1994 - absent 1752
United States (contiguous states) Dana Point 1996 - rare 1752
United States (contiguous states) Dana Point 1997 - absent 1752
United States (contiguous states) Dana Point 1998 - absent 1752
United States (contiguous states) Dana Point Harbour 2006 - common 84125
United States (contiguous states) Duxbury Town Pier 2000 - absent 84102
United States (contiguous states) Eel Pond (MBL) 2000 - absent 84102
United States (contiguous states) Ensenada, Baja California (Hotel Coral) 2000 - 2000 rare 1752
United States (contiguous states) Ensenada, Baja California (Juanita's Dock) 2000 - 2000 abundant 1752
United States (contiguous states) Entrance, Long Beach Marina 1994 - absent 1752
United States (contiguous states) Entrance, Long Beach Marina 1995 - rare 1752
United States (contiguous states) Entrance, Long Beach Marina 1996 - rare 1752
United States (contiguous states) Entrance, Long Beach Marina 1997 - rare 1752
United States (contiguous states) Entrance, Long Beach Marina 1998 - absent 1752
United States (contiguous states) Entrance: Island Packers, Ventura 1994 - rare 1752
United States (contiguous states) Entrance: Island Packers, Ventura 1995 - rare 1752
United States (contiguous states) Entrance: Island Packers, Ventura 1996 - rare 1752
United States (contiguous states) Entrance: Island Packers, Ventura 1997 - rare 1752
United States (contiguous states) Entrance: Island Packers, Ventura 1998 - absent 1752
United States (contiguous states) Entrance: Jack's Landing, Port Hueneme 1994 - absent 1752
United States (contiguous states) Entrance: Jack's Landing, Port Hueneme 1995 - rare 1752
United States (contiguous states) Entrance: Jack's Landing, Port Hueneme 1996 - absent 1752
United States (contiguous states) Entrance: Jack's Landing, Port Hueneme 1997 - absent 1752
United States (contiguous states) Entrance: Jack's Landing, Port Hueneme 1998 - absent 1752
United States (contiguous states) Entrance: Jack's Landing, Port Hueneme 2000 - rare 1752
United States (contiguous states) Entrance: Jack's Landing, Port Hueneme, cleaned & 1997 - absent 1752
United States (contiguous states) Fiddlers Cove, San Diego Bay 1994 - absent 1752
United States (contiguous states) Fiddlers Cove, San Diego Bay 1995 - absent 1752
United States (contiguous states) Fiddlers Cove, San Diego Bay 1996 - absent 1752
United States (contiguous states) Fiddlers Cove, San Diego Bay 1997 - rare 1752
United States (contiguous states) Fiddlers Cove, San Diego Bay 1998 - rare 1752
United States (contiguous states) Fiddlers Cove, San Diego Bay 2000 - rare 1752
United States (contiguous states) Fun Zone, Newport Harbour 1994 - absent 1752
United States (contiguous states) Fun Zone, Newport Harbour 1995 - rare 1752
United States (contiguous states) Fun Zone, Newport Harbour 1996 - absent 1752
United States (contiguous states) Fun Zone, Newport Harbour 1997 - absent 1752
United States (contiguous states) Fun Zone, Newport Harbour 1998 - absent 1752
United States (contiguous states) Glorietta Bay 2005 - common 84125
United States (contiguous states) Gloucester State Pier 2000 - absent 84102
United States (contiguous states) Gulf of Maine, inferred MA - very common 84099
United States (contiguous states) Gulf of Maine, inferred ME - very common 84099
United States (contiguous states) Gulf of Maine, inferred NH - very common 84099
Canada Gulf of St. Lawrence, Quebec - rare 84114
United States (contiguous states) Hampton State Pier 2003 - absent 84102
United States (contiguous states) Harbour Island, San Diego Bay 1994 - rare 1752
United States (contiguous states) Harbour Island, San Diego Bay 1995 - rare 1752
United States (contiguous states) Harbour Island, San Diego Bay 1996 - absent 1752
United States (contiguous states) Harbour Island, San Diego Bay 1997 - rare 1752
United States (contiguous states) Harbour Island, San Diego Bay 1998 - rare 1752
United States (contiguous states) Hawthorne Cove Marina 2003 - absent 84102
United States (contiguous states) Hawthorne Marina 2000 - absent 84102
United States (contiguous states) Huntington Harbour 2006 - very common 84125
United States (contiguous states) Impound Marina, Long Beach / Angeles Harbours 1994 - rare 1752
United States (contiguous states) Impound Marina, Long Beach / Angeles Harbours 1995 - rare 1752
United States (contiguous states) Impound Marina, Long Beach / Angeles Harbours 1996 - rare 1752
United States (contiguous states) Impound Marina, Long Beach / Angeles Harbours 1997 - rare 1752
United States (contiguous states) Impound Marina, Long Beach / Angeles Harbours 1998 - rare 1752
United States (contiguous states) Impound Marina, Long Beach / Angeles Harbours 2000 - rare 1752
United States (contiguous states) J Street, San Diego Bay 1994 - absent 1752
United States (contiguous states) J Street, San Diego Bay 1995 - rare 1752
United States (contiguous states) J Street, San Diego Bay 1996 - absent 1752
United States (contiguous states) J Street, San Diego Bay 1997 - absent 1752
United States (contiguous states) J Street, San Diego Bay 1998 - rare 1752
United States (contiguous states) J Street, San Diego Bay 2000 - rare 1752
United States (contiguous states) King Harbour 1994 - 1994 abundant 1752
United States (contiguous states) King Harbour 1995 - 1995 absent 1752
United States (contiguous states) King Harbour 1995 - 1995 common 1752
United States (contiguous states) King Harbour 1996 - 1996 common 1752
United States (contiguous states) King Harbour 1997 - 1997 common 1752
United States (contiguous states) King Harbour 1997 - 1997 abundant 1752
United States (contiguous states) King Harbour 1998 - 1998 abundant 1752
United States (contiguous states) King Harbour 2000 - 2000 common 1752
United States (contiguous states) King Harbour 1994 - rare 1752
United States (contiguous states) King Harbour 1995 - absent 1752
United States (contiguous states) King Harbour 1996 - rare 1752
United States (contiguous states) King Harbour 1997 - rare 1752
United States (contiguous states) King Harbour 1998 - rare 1752
United States (contiguous states) LA/Long Beach Harbour 2006 - common 84125
United States (contiguous states) LA/Long Beach Harbour 2006 - common 84125
United States (contiguous states) LA/Long Beach Harbour 2006 - very common 84125
United States (contiguous states) Lido Island, Newport Harbour 1994 - absent 1752
United States (contiguous states) Lido Island, Newport Harbour 1995 - absent 1752
United States (contiguous states) Lido Island, Newport Harbour 1996 - rare 1752
United States (contiguous states) Lido Island, Newport Harbour 1997 - rare 1752
United States (contiguous states) Lido Island, Newport Harbour 1998 - rare 1752
United States (contiguous states) Long Beach Marina (Back Harbour) 1994 - 1994 absent 1752
United States (contiguous states) Long Beach Marina (Back Harbour) 1995 - 1995 absent 1752
United States (contiguous states) Long Beach Marina (Back Harbour) 1996 - 1996 absent 1752
United States (contiguous states) Long Beach Marina (Back Harbour) 1997 - 1997 absent 1752
United States (contiguous states) Long Beach Marina (Back Harbour) 1997 - 1997 absent 1752
United States (contiguous states) Long Beach Marina (Back Harbour) 1998 - 1998 absent 1752
United States (contiguous states) Long Beach Marina (Back Harbour) 2000 - 2000 common 1752
United States (contiguous states) Long Beach Marina (Entrance) 1994 - 1994 absent 1752
United States (contiguous states) Long Beach Marina (Entrance) 1995 - 1995 rare 1752
United States (contiguous states) Long Beach Marina (Entrance) 1996 - 1996 rare 1752
United States (contiguous states) Long Beach Marina (Entrance) 1997 - 1997 rare 1752
United States (contiguous states) Long Beach Marina (Entrance) 1997 - 1997 rare 1752
United States (contiguous states) Long Beach Marina (Entrance) 1998 - 1998 absent 1752
United States (contiguous states) Long Beach Marina (Spinnaker Cove) 1997 - 1997 absent 1752
United States (contiguous states) Long Beach Marina (Spinnaker Cove) 1998 - 1998 absent 1752
United States (contiguous states) Long Beach, Los Angeles Harbour (Impound Marina) 1994 - 1994 abundant 1752
United States (contiguous states) Long Beach, Los Angeles Harbour (Impound Marina) 1995 - 1995 rare 1752
United States (contiguous states) Long Beach, Los Angeles Harbour (Impound Marina) 1995 - 1995 abundant 1752
United States (contiguous states) Long Beach, Los Angeles Harbour (Impound Marina) 1996 - 1996 common 1752
United States (contiguous states) Long Beach, Los Angeles Harbour (Impound Marina) 1997 - 1997 rare 1752
United States (contiguous states) Long Beach, Los Angeles Harbour (Impound Marina) 1997 - 1997 abundant 1752
United States (contiguous states) Long Beach, Los Angeles Harbour (Impound Marina) 1998 - 1998 extremely abundant 1752
United States (contiguous states) Long Beach, Los Angeles Harbour (Impound Marina) 2000 - 2000 extremely abundant 1752
United States (contiguous states) Long Beach, Los Angeles Harbour (Watchorn Marina) 1994 - 1994 rare 1752
United States (contiguous states) Long Beach, Los Angeles Harbour (Watchorn Marina) 1995 - 1995 rare 1752
United States (contiguous states) Long Beach, Los Angeles Harbour (Watchorn Marina) 1996 - 1996 common 1752
United States (contiguous states) Long Beach, Los Angeles Harbour (Watchorn Marina) 1997 - 1997 common 1752
United States (contiguous states) Long Beach, Los Angeles Harbour (Watchorn Marina) 1997 - 1997 abundant 1752
United States (contiguous states) Long Beach, Los Angeles Harbour (Watchorn Marina) 1998 - 1998 extremely abundant 1752
United States (contiguous states) Long Beach, Los Angeles Harbour (Watchorn Marina) 2000 - 2000 extremely abundant 1752
United States (contiguous states) MA Maritime Academy 2000 - absent 84102
United States (contiguous states) Marina Del Rey 1996 - 1996 rare 1752
United States (contiguous states) Marina Del Rey 1994 - 1994 rare 1752
United States (contiguous states) Marina Del Rey 1995 - 1995 rare 1752
United States (contiguous states) Marina Del Rey 1995 - 1995 rare 1752
United States (contiguous states) Marina Del Rey 1997 - 1997 rare 1752
United States (contiguous states) Marina Del Rey 1997 - 1997 common 1752
United States (contiguous states) Marina Del Rey 1998 - 1998 extremely abundant 1752
United States (contiguous states) Marina Del Rey 2000 - 2000 abundant 1752
United States (contiguous states) Marina Del Rey 1994 - rare 1752
United States (contiguous states) Marina Del Rey 1995 - rare 1752
United States (contiguous states) Marina Del Rey 1996 - rare 1752
United States (contiguous states) Marina Del Rey 1997 - rare 1752
United States (contiguous states) Marina Del Rey 1998 - rare 1752
United States (contiguous states) Marina del Rey Harbour 2006 - common 84125
Canada Maritimes, Bay of Fundy - common 11710
United States (contiguous states) Massachusetts Maritime Academy 2003 - absent 84102
United States (contiguous states) Mission Bay 2006 - common 84125
United States (contiguous states) Mission Bay (Bahia Point) 1994 - 1994 absent 1752
United States (contiguous states) Mission Bay (Bahia Point) 1995 - 1995 absent 1752
United States (contiguous states) Mission Bay (Bahia Point) 1995 - 1995 absent 1752
United States (contiguous states) Mission Bay (Bahia Point) 1996 - 1996 rare 1752
United States (contiguous states) Mission Bay (Bahia Point) 1997 - 1997 common 1752
United States (contiguous states) Mission Bay (Bahia Point) 1997 - 1997 absent 1752
United States (contiguous states) Mission Bay (Bahia Point) 1998 - 1998 rare 1752
United States (contiguous states) Mission Bay (Dana Landing) 1994 - 1994 absent 1752
United States (contiguous states) Mission Bay (Dana Landing) 1995 - 1995 absent 1752
United States (contiguous states) Mission Bay (Dana Landing) 1995 - 1995 absent 1752
United States (contiguous states) Mission Bay (Dana Landing) 1996 - 1996 absent 1752
United States (contiguous states) Mission Bay (Dana Landing) 1997 - 1997 absent 1752
United States (contiguous states) Mission Bay (Dana Landing) 1997 - 1997 absent 1752
United States (contiguous states) Mission Bay (Dana Landing) 1998 - 1998 rare 1752
United States (contiguous states) Mission Bay (Mission Bay Yacht Club) 1997 - 1997 rare 1752
United States (contiguous states) Mission Bay (Mission Bay Yacht Club) 1997 - 1997 absent 1752
United States (contiguous states) Mission Bay (Mission Bay Yacht Club) 1998 - 1998 rare 1752
United States (contiguous states) Mission Bay (Quivera Basin) 1994 - 1994 common 1752
United States (contiguous states) Mission Bay (Quivera Basin) 1995 - 1995 extremely abundant 1752
United States (contiguous states) Mission Bay (Quivera Basin) 1995 - 1995 rare 1752
United States (contiguous states) Mission Bay (Quivera Basin) 1996 - 1996 common 1752
United States (contiguous states) Mission Bay (Quivera Basin) 1997 - 1997 abundant 1752
United States (contiguous states) Mission Bay (Quivera Basin) 1997 - 1997 rare 1752
United States (contiguous states) Mission Bay (Quivera Basin) 1998 - 1998 extremely abundant 1752
United States (contiguous states) Mission Bay (Quivera Basin) 2000 - 2000 extremely abundant 1752
United States (contiguous states) Mission Bay (Santa Clara Boat Launch) 1997 - 1997 absent 1752
United States (contiguous states) Mission Bay (Santa Clara Boat Launch) 1997 - 1997 absent 1752
United States (contiguous states) Mission Bay (Santa Clara Boat Launch) 1998 - 1998 absent 1752
United States (contiguous states) Mission Bay (South Shores Boat Ramp) 1997 - 1997 abundant 1752
United States (contiguous states) Mission Bay (South Shores Boat Ramp) 1997 - 1997 rare 1752
United States (contiguous states) Mission Bay (South Shores Boat Ramp) 1998 - 1998 absent 1752
United States (contiguous states) Mission Bay Yacht Club, Mission Bay 1997 - absent 1752
United States (contiguous states) Mission Bay Yacht Club, Mission Bay 1998 - rare 1752
United States (contiguous states) MWRA Deer Island 2000 - absent 84102
United States (contiguous states) Navy-28th St. 2005 - very common 84125
United States (contiguous states) Navy-Carrier Base 2005 - common 84125
United States (contiguous states) Navy-Seventh St. 2005 - common 84125
United States (contiguous states) New Bedford State Pier 2000 - absent 84102
Canada New Brunswick, Biological Station 2006 - rare 84105
Canada New Brunswick, Charlie Cove 2006 - rare 84105
Canada New Brunswick, Dipper Harbour 2006 - absent 84105
Canada New Brunswick, Fairhaven 2006 - common 84105
Canada New Brunswick, Fairhaven, Deer Island 2006 - abundant 84105
Canada New Brunswick, Harbour de Loutre 2006 - common 84105
Canada New Brunswick, Head Harbour 2006 - absent 84105
Canada New Brunswick, Lime Kiln Bay 2006 - abundant 84105
Canada New Brunswick, Lime Kiln Bay, Charlie Cove area 2006 - extremely abundant 84105
Canada New Brunswick, NB - common 11710
Canada New Brunswick, North Head 2006 - absent 84105
Canada New Brunswick, Saint John Harbour 2006 - absent 84105
Canada New Brunswick, Seal Cove 2006 - absent 84105
Canada New Brunswick, St Andrews Biological Station 2006 - abundant 84105
Canada New Brunswick, St Andrews Harbour 2006 - abundant 84105
Canada New Brunswick, St Andrews Harbour 2006 - common 84105
United States (contiguous states) Newport Bay 2006 - common 84125
United States (contiguous states) Newport Harbour (Fun Zone) 1994 - 1994 absent 1752
United States (contiguous states) Newport Harbour (Fun Zone) 1995 - 1995 abundant 1752
United States (contiguous states) Newport Harbour (Fun Zone) 1996 - 1996 absent 1752
United States (contiguous states) Newport Harbour (Fun Zone) 1997 - 1997 absent 1752
United States (contiguous states) Newport Harbour (Fun Zone) 1997 - 1997 absent 1752
United States (contiguous states) Newport Harbour (Fun Zone) 1998 - 1998 absent 1752
United States (contiguous states) Newport Harbour (Lido Island) 1994 - 1994 absent 1752
United States (contiguous states) Newport Harbour (Lido Island) 1995 - 1995 absent 1752
United States (contiguous states) Newport Harbour (Lido Island) 1997 - 1997 extremely abundant 1752
United States (contiguous states) Newport Harbour (Lido Island) 1996 - 1996 extremely abundant 1752
United States (contiguous states) Newport Harbour (Lido Island) 1997 - 1997 abundant 1752
United States (contiguous states) Newport Harbour (Lido Island) 1998 - 1998 rare 1752
United States (contiguous states) Newport Harbour (Upper Bay) 1994 - 1994 rare 1752
United States (contiguous states) Newport Harbour (Upper Bay) 1995 - 1995 extremely abundant 1752
United States (contiguous states) Newport Harbour (Upper Bay) 1996 - 1996 absent 1752
United States (contiguous states) Newport Harbour (Upper Bay) 1997 - 1997 absent 1752
United States (contiguous states) Newport Harbour (Upper Bay) 1997 - 1997 common 1752
United States (contiguous states) Newport Harbour (Upper Bay) 1998 - 1998 absent 1752
United States (contiguous states) Newport Shipyard 2003 - absent 84102
Canada Nova Scotia 2005 - absent 84114
Canada Nova Scotia - common 11710
Canada Nova Scotia e. (shore region) - absent 84114
Canada Nova Scotia s. (bays with artificial substrates) 2005 - extremely abundant 84114
Canada Nova Scotia, Gulf of Maine, Nova Scotia - very common 84099
United States (contiguous states) Oakland Inner Harbour - Marinas 2005 - common 84125
United States (contiguous states) Oakland Inner Harbour - Shipping 2005 - rare 84125
United States (contiguous states) Oakland Outer Harbour 2005 - common 84125
United States (contiguous states) Oceanside (Back Harbour) 1994 - 1994 absent 1752
United States (contiguous states) Oceanside (Back Harbour) 1995 - 1995 absent 1752
United States (contiguous states) Oceanside (Back Harbour) 1997 - 1997 absent 1752
United States (contiguous states) Oceanside (Back Harbour) 1997 - 1997 absent 1752
United States (contiguous states) Oceanside (Back Harbour) 1998 - 1998 absent 1752
United States (contiguous states) Oceanside (Police Floats) 1994 - 1994 absent 1752
United States (contiguous states) Oceanside (Police Floats) 1995 - 1995 absent 1752
United States (contiguous states) Oceanside (Police Floats) 1995 - 1995 absent 1752
United States (contiguous states) Oceanside (Police Floats) 1996 - 1996 absent 1752
United States (contiguous states) Oceanside (Police Floats) 1997 - 1997 absent 1752
United States (contiguous states) Oceanside (Police Floats) 1997 - 1997 absent 1752
United States (contiguous states) Oceanside (Police Floats) 1998 - 1998 absent 1752
United States (contiguous states) Oceanside (Police Floats) 2000 - 2000 absent 1752
United States (contiguous states) Oceanside Harbour 2006 - common 84125
United States (contiguous states) Pacific, n.w. (n. CA to Monterey Bay) - abundant 84107
United States (contiguous states) Pier 39 2005 - rare 84125
United States (contiguous states) Police Floats, Oceanside 1994 - absent 1752
United States (contiguous states) Police Floats, Oceanside 1995 - absent 1752
United States (contiguous states) Police Floats, Oceanside 1996 - absent 1752
United States (contiguous states) Police Floats, Oceanside 1997 - absent 1752
United States (contiguous states) Police Floats, Oceanside 1998 - absent 1752
United States (contiguous states) Police Floats, Oceanside 2000 - absent 1752
United States (contiguous states) Port Harbour Marine 2003 - absent 84102
United States (contiguous states) Port Hueneme 2006 - common 84125
United States (contiguous states) Port Hueneme (Anacapa Island Marina) 1994 - 1994 rare 1752
United States (contiguous states) Port Hueneme (Anacapa Island Marina) 1995 - 1995 rare 1752
United States (contiguous states) Port Hueneme (Anacapa Island Marina) 1996 - 1996 absent 1752
United States (contiguous states) Port Hueneme (Anacapa Island Marina) 1997 - 1997 absent 1752
United States (contiguous states) Port Hueneme (Anacapa Island Marina) 1997 - 1997 common 1752
United States (contiguous states) Port Hueneme (Anacapa Island Marina) 1998 - 1998 absent 1752
United States (contiguous states) Port Hueneme (Anacapa Island Marina) 2000 - 2000 abundant 1752
United States (contiguous states) Port Hueneme (Entrance: Jack's Landing) 1994 - 1994 absent 1752
United States (contiguous states) Port Hueneme (Entrance: Jack's Landing) 1995 - 1995 rare 1752
United States (contiguous states) Port Hueneme (Entrance: Jack's Landing) 1996 - 1996 absent 1752
United States (contiguous states) Port Hueneme (Entrance: Jack's Landing) 1997 - 1997 absent 1752
United States (contiguous states) Port Hueneme (Entrance: Jack's Landing) 1997 - 1997 absent 1752
United States (contiguous states) Port Hueneme (Entrance: Jack's Landing) 1998 - 1998 absent 1752
United States (contiguous states) Rowes Wharf 2000 - absent 84102
United States (contiguous states) Rowes Wharf 2003 - absent 84102
United States (contiguous states) San Diego Bay (24th Street) 1994 - 1994 absent 1752
United States (contiguous states) San Diego Bay (24th Street) 1995 - 1995 absent 1752
United States (contiguous states) San Diego Bay (24th Street) 1995 - 1995 rare 1752
United States (contiguous states) San Diego Bay (24th Street) 1996 - 1996 rare 1752
United States (contiguous states) San Diego Bay (24th Street) 1997 - 1997 abundant 1752
United States (contiguous states) San Diego Bay (24th Street) 1997 - 1997 abundant 1752
United States (contiguous states) San Diego Bay (24th Street) 1998 - 1998 rare 1752
United States (contiguous states) San Diego Bay (Fiddlers Cove) 1994 - 1994 absent 1752
United States (contiguous states) San Diego Bay (Fiddlers Cove) 1995 - 1995 common 1752
United States (contiguous states) San Diego Bay (Fiddlers Cove) 1995 - 1995 absent 1752
United States (contiguous states) San Diego Bay (Fiddlers Cove) 1996 - 1996 absent 1752
United States (contiguous states) San Diego Bay (Fiddlers Cove) 1997 - 1997 common 1752
United States (contiguous states) San Diego Bay (Fiddlers Cove) 1997 - 1997 rare 1752
United States (contiguous states) San Diego Bay (Fiddlers Cove) 1998 - 1998 abundant 1752
United States (contiguous states) San Diego Bay (Fiddlers Cove) 2000 - 2000 common 1752
United States (contiguous states) San Diego Bay (Harbor Island) 1994 - 1994 rare 1752
United States (contiguous states) San Diego Bay (Harbor Island) 1995 - 1995 common 1752
United States (contiguous states) San Diego Bay (Harbor Island) 1996 - 1996 absent 1752
United States (contiguous states) San Diego Bay (Harbor Island) 1997 - 1997 abundant 1752
United States (contiguous states) San Diego Bay (Harbor Island) 1997 - 1997 rare 1752
United States (contiguous states) San Diego Bay (Harbor Island) 1998 - 1998 abundant 1752
United States (contiguous states) San Diego Bay (J Street) 1994 - 1994 absent 1752
United States (contiguous states) San Diego Bay (J Street) 1995 - 1995 common 1752
United States (contiguous states) San Diego Bay (J Street) 1995 - 1995 rare 1752
United States (contiguous states) San Diego Bay (J Street) 1996 - 1996 absent 1752
United States (contiguous states) San Diego Bay (J Street) 1997 - 1997 abundant 1752
United States (contiguous states) San Diego Bay (J Street) 1997 - 1997 absent 1752
United States (contiguous states) San Diego Bay (J Street) 1998 - 1998 extremely abundant 1752
United States (contiguous states) San Diego Bay (J Street) 2000 - 2000 rare 1752
United States (contiguous states) San Diego Bay (Shelter Island) 1994 - 1994 absent 1752
United States (contiguous states) San Diego Bay (Shelter Island) 1995 - 1995 common 1752
United States (contiguous states) San Diego Bay (Shelter Island) 1995 - 1995 rare 1752
United States (contiguous states) San Diego Bay (Shelter Island) 1996 - 1996 rare 1752
United States (contiguous states) San Diego Bay (Shelter Island) 1997 - 1997 abundant 1752
United States (contiguous states) San Diego Bay (Shelter Island) 1997 - 1997 common 1752
United States (contiguous states) San Diego Bay (Shelter Island) 1998 - 1998 common 1752
United States (contiguous states) San Diego Bay (Shelter Island) 2000 - 2000 abundant 1752
United States (contiguous states) San Francisco (harbours) - extremely abundant 84114
United States (contiguous states) Sandwich Marina 2000 - absent 84102
United States (contiguous states) Santa Barbara 1994 - 1994 common 1752
United States (contiguous states) Santa Barbara 1995 - 1995 rare 1752
United States (contiguous states) Santa Barbara 1996 - 1996 rare 1752
United States (contiguous states) Santa Barbara 1997 - 1997 absent 1752
United States (contiguous states) Santa Barbara 1997 - 1997 extremely abundant 1752
United States (contiguous states) Santa Barbara 1998 - 1998 rare 1752
United States (contiguous states) Santa Barbara 1994 - rare 1752
United States (contiguous states) Santa Barbara 1995 - rare 1752
United States (contiguous states) Santa Barbara 1996 - rare 1752
United States (contiguous states) Santa Barbara 1997 - absent 1752
United States (contiguous states) Santa Barbara 1998 - rare 1752
United States (contiguous states) Santa Barbara Harbor 2006 - common 84125
United States (contiguous states) Santa Clara Boat Launch, Mission Bay 1997 - absent 1752
United States (contiguous states) Santa Clara Boat Launch, Mission Bay 1998 - absent 1752
United States (contiguous states) Santa Fe Channel - Back 2005 - rare 84125
United States (contiguous states) Santa Fe Channel - Front 2005 - common 84125
United States (contiguous states) Scripps Pier 2005 - common 84125
United States (contiguous states) Sea Plane Harbor 2005 - rare 84125
United States (contiguous states) Sea Plane Lagoon 2005 - rare 84125
United States (contiguous states) Shelter Island Marina 2005 - very common 84125
United States (contiguous states) Shelter Island, San Diego Bay 1994 - absent 1752
United States (contiguous states) Shelter Island, San Diego Bay 1995 - rare 1752
United States (contiguous states) Shelter Island, San Diego Bay 1996 - rare 1752
United States (contiguous states) Shelter Island, San Diego Bay 1997 - rare 1752
United States (contiguous states) Shelter Island, San Diego Bay 1998 - rare 1752
United States (contiguous states) Shelter Island, San Diego Bay 2000 - rare 1752
United States (contiguous states) Sierra Brisbane Harbor 2005 - common 84125
United States (contiguous states) South Shores Boat Ramp, Mission Bay 1997 - rare 1752
United States (contiguous states) South Shores Boat Ramp, Mission Bay 1998 - absent 1752
United States (contiguous states) Spinnaker Cove, Long Beach Marina 1997 - absent 1752
United States (contiguous states) Spinnaker Cove, Long Beach Marina 1998 - absent 1752
United States (contiguous states) St. Francis Yacht Harbor 2005 - common 84125
United States (contiguous states) Switzer Creek 2005 - common 84125
United States (contiguous states) Switzer Creek (Dole) 2005 - common 84125
United States (contiguous states) Tomales Bay 2006 - common 84125
United States (contiguous states) Treasure Island 2005 - common 84125
United States (contiguous states) Tripp Marina 2000 - absent 84102
United States (contiguous states) Tripps Marina 2003 - absent 84102
United States (contiguous states) Tucks Marina 2000 - absent 84102
United States (contiguous states) UNH Coastal Marine Lab/Coast Guard 2003 - absent 84102
United States (contiguous states) Upper Bay, Newport Harbor 1994 - rare 1752
United States (contiguous states) Upper Bay, Newport Harbor 1995 - rare 1752
United States (contiguous states) Upper Bay, Newport Harbor 1996 - absent 1752
United States (contiguous states) Upper Bay, Newport Harbor 1997 - absent 1752
United States (contiguous states) Upper Bay, Newport Harbor 1998 - absent 1752
United States (contiguous states) Ventura (Back Harbor: Pierpont Yacht Club) 1994 - 1994 rare 1752
United States (contiguous states) Ventura (Back Harbor: Pierpont Yacht Club) 1995 - 1995 rare 1752
United States (contiguous states) Ventura (Back Harbor: Pierpont Yacht Club) 1996 - 1996 common 1752
United States (contiguous states) Ventura (Back Harbor: Pierpont Yacht Club) 1997 - 1997 common 1752
United States (contiguous states) Ventura (Back Harbor: Pierpont Yacht Club) 1997 - 1997 common 1752
United States (contiguous states) Ventura (Back Harbor: Pierpont Yacht Club) 1998 - 1998 absent 1752
United States (contiguous states) Ventura (Entrance: Island Packers) 1994 - 1994 rare 1752
United States (contiguous states) Ventura (Entrance: Island Packers) 1995 - 1995 abundant 1752
United States (contiguous states) Ventura (Entrance: Island Packers) 1996 - 1996 common 1752
United States (contiguous states) Ventura (Entrance: Island Packers) 1997 - 1997 rare 1752
United States (contiguous states) Ventura (Entrance: Island Packers) 1997 - 1997 rare 1752
United States (contiguous states) Ventura (Entrance: Island Packers) 1998 - 1998 absent 1752
United States (contiguous states) Watchorn Marina, Long Beach / Angeles Harbors 1994 - rare 1752
United States (contiguous states) Watchorn Marina, Long Beach / Angeles Harbors 1995 - rare 1752
United States (contiguous states) Watchorn Marina, Long Beach / Angeles Harbors 1996 - rare 1752
United States (contiguous states) Watchorn Marina, Long Beach / Angeles Harbors 1997 - rare 1752
United States (contiguous states) Watchorn Marina, Long Beach / Angeles Harbors 1998 - rare 1752
United States (contiguous states) Watchorn Marina, Long Beach / Angeles Harbors 2000 - rare 1752
United States (contiguous states) Woods Hole Coast Guard 2000 - absent 84102
United States (contiguous states) Woods Hole Coast Guard Station 2003 - absent 84102
United States (contiguous states) Woods Hole, water aquaria - common 84099
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