Plocamopherus ceylonicus, Ceylon plocamopherus

Plocamopherus ceylonicus   (Kelaart, 1858)

Ceylon plocamopherus
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Classification / Names Common names | Synonyms | CoL | ITIS | WoRMS

Gastropoda | Nudibranchia | Polyceridae

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

Benthic; depth range 1 - 12 m (Ref. 79924).  Tropical

Distribution Countries | FAO areas | Ecosystems | Occurrences | Introductions

Indo-Pacific: East Africa to Japan, Australia, New Caledonia, and Marshall Islands. Tropical to subtropical.

Length at first maturity / Size / Weight / Age

Maturity: Lm ?  range ? - ? cm

Short description Morphology

Mantle is reduced to a head shield or veil around the anterior end and a set of three large papillae down each side of the body. Arborescent papillae are scattered on the sides of the body and the posterior end of the foot has a large crest in the dorsal midline. Color varies based on distribution: Hong Kong speciemens are translucent white with yellow spots and a dark grey-brown irregular reticulate pattern. In Australia and Indian Ocean, yellow spots become less prominent and the dark reticulate pattern becomes a heavy patching of brown or orange-brown.

Biology     Glossary (e.g. epibenthic)

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

Members of the order Nudibranchia are simultaneous hermaphrodites. Mating behavior: Both individuals darts their penis toward each other to induce one to act as a male and the other as the female. The victorious one to penetrate the body wall is the dominant male. Life cycle: Eggs are deposited on a substratum where they develop and hatch into (planktonic) vestigial veliger larval stage and further grow as adults.

Main reference References | Coordinator | Collaborators

Sachidhanandam, U., R.C. Willan and L.M. Chou 2000 Checklist of the nudibranchs (Opisthobranchia: Nudibranchia) of the South China Sea. The Raffles Bulletin of Zoology Supplement 7:513-537. (Ref. 78073)

IUCN Red List Status (Ref. 130435: Version 2025-1)

  Not Evaluated 

CITES status (Ref. 108899)

Not Evaluated

CMS (Ref. 116361)

Not Evaluated

Threat to humans

  Harmless

Human uses


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Ecology
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References
References

Internet sources

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

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