Biology:Okenia echinata

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Short description: Species of gastropod


Okenia echinata
Okenia echinata.jpg
Scientific classification edit
Domain: Eukaryota
Kingdom: Animalia
Phylum: Mollusca
Class: Gastropoda
Subclass: Heterobranchia
Order: Nudibranchia
Suborder: Doridina
Superfamily: Onchidoridoidea
Family: Goniodorididae
Genus: Okenia
Species:
O. echinata
Binomial name
Okenia echinata
Baba, 1949[1]

Okenia echinata is a species of sea slug, specifically a dorid nudibranch, a marine gastropod mollusc in the family Goniodorididae.[2]

Distribution

This species was described from Sagami Bay, Japan . Similar looking animals have been reported from Australia and India.[3]

Description

This Okenia has a broad body and many short, triangular, pointed, lateral papillae. There are scattered, shorter, papillae on the back, between the rhinophores and the gills and in front of the rhinophores. The body is described as uniformly brown with small spots of white pigment. Recent finds from Japan show body colour is variable through red to orange and the papillae have orange tips.[3]

Ecology

The diet of this species is probably a ctenostome bryozoan.[4]

References

  1. Baba, K., 1949. Opisthobranchia of Sagami Bay collected by His Majesty The Emperor of Japan. Iwanami Shoten, Tokyo. 194pp., 50 Pls.
  2. Rosenberg, G. (2015). Okenia echinata Baba, 1949. In: MolluscaBase (2015). Accessed through: World Register of Marine Species on 2015-10-23
  3. 3.0 3.1 Rudman, W.B., 2004 (December 21) Okenia echinata Baba, 1949. [In] Sea Slug Forum. Australian Museum, Sydney.
  4. Okenia echinata. At: umiushi-zukan.com.

Wikidata ☰ Q3881345 entry