Nymphon immane   Stock, 1954


Native range | All suitable habitat | Point map | Year 2050
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Nymphon immane  AquaMaps  Data sources: GBIF OBIS
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Classification / Names Common names | Synonyms | CoL | ITIS | WoRMS

Pycnogonida | Pantopoda | Nymphonidae

Environment: milieu / climate zone / depth range / distribution range Ecology

Benthic; depth range 0 - 540 m (Ref. 9).  Subtropical

Distribution Countries | FAO areas | Ecosystems | Occurrences | Introductions

Southwest Pacific: Australia and New Zealand.

Length at first maturity / Size / Weight / Age

Maturity: Lm ?  range ? - ? cm

Biology     Glossary (e.g. epibenthic)

S. West Pacific: The above specimens increase geographic distribution for the species to the east and west of North Island, more than double the previously known depth range. Clark's specimen came from New South Wales, Australia, in 540 m. Size small, leg span about 27 mm. Trunk moderately slender, lateral processes separated by their diameters or slightly less, with small rounded dorsodistal tubercles. Neck moderately long, with small rounded tubercle dorsal to each chelifore insertion, oviger implantations at posterior, against first lateral processes. Ocular tubercle a tall slender cone with distal eyes. Proboscis short, distally rounded. Abdomen short. Chelifores very large, scapes divergent. Chelae palms short, fingers long, both curved ventrally, overlap at tips. Immovable fingers with about 25 slender teeth, movable fingers with more than twice as many much smaller teeth. Palps with segment 2 shorter than 3, segments 4 and 5 subequal in length, with few distal setae. Ovigers with slender long fifth segment swollen distally, with few lateral setae. Strigilis claw with 9 - 10 ventral lobes. Legs slender, with few setae. Propodus about twice tarsus length, both without spines on soles, with few tiny setae. Claw moderately short, auxilliary claws very curved, about 0.6 as long as main claw. Male cement gland ventral with 7 low tubes, but mostly more, up to 11 per leg, with shortest tube proximal, longest tube distally (Figure 1G). Distal tubes as wide as tall (Ref. 9)

Life cycle and mating behavior Maturity | Reproduction | Spawning | Eggs | Fecundity | Larvae

Members of the class Pycnogonida are gonochoric and sexually dimorphic. During copulation, male usually suspends itself beneath the female. Fertilization occurs as the eggs leave the female's ovigers. Males brood the egg masses until they hatch. Life cycle: Eggs hatch into protonymphon larva then to adults.

Main reference References | Coordinator | Collaborators

Child, C.A. 1998. (Ref. 9)

IUCN Red List Status (Ref. 130435: Version 2024-1)

  Not Evaluated 

CITES status (Ref. 108899)

Not Evaluated

CMS (Ref. 116361)

Not Evaluated

Threat to humans

Human uses


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BHL | BOLD Systems | CISTI | DiscoverLife | FAO(Publication : search) | Fishipedia | GenBank (genome, nucleotide) | GloBI | Gomexsi | Google Books | Google Scholar | Google | PubMed | Tree of Life | Wikipedia (Go, Search) | Zoological Record

Estimates based on models

Preferred temperature (Ref. 115969): 11 - 19.4, mean 13.7 (based on 62 cells).
Price category (Ref. 80766): Unknown.

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