Okenia purpurata

Okenia purpurata is a species of sea slug, specifically a dorid nudibranch, a marine gastropod mollusc in the family Goniodorididae.

Okenia purpurata
Scientific classification
Kingdom:
Animalia
Phylum:
Mollusca
Class:
Gastropoda
(unranked):
clade Heterobranchia
clade Euthyneura
clade Nudipleura
clade Nudibranchia
clade Euctenidiacea
clade Doridacea
Superfamily:
Onchidoridoidea
Family:
Goniodorididae
Genus:
Okenia
Species:
O. purpurata
Binomial name
Okenia purpurata
Rudman, 2004[1]

Distribution

This species was described from northern New South Wales, Australia. It is also known from Singapore.[2]

Description

This Okenia has a narrow body and seven lateral papillae on each side and a single papilla in the middle of the back. The body is purple and the papillae are white. The rhinophores and gills are darker purple.

Ecology

The diet of this species is the ctenostome bryozoan Amathia tortuosa. It shares this food preference with Okenia vena which is very similar in shape but completely different in coloration.[2]

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References
  1. Rudman W.B. (2004) Further species of the opisthobranch genus Okenia (Nudibranchia: Goniodorididae) from the Indo-West Pacific. Zootaxa 695 : 1-70
  2. Rudman, W.B., 2004 (December 21) Okenia purpurata Rudman, 2004. [In] Sea Slug Forum. Australian Museum, Sydney.
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