Okenia atkinsonorum

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

Okenia atkinsonorum
Okenia atkinsonorum, Nelson Bay NSW, head end towards the left
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. atkinsonorum
Binomial name
Okenia atkinsonorum
Rudman, 2007[1]

Distribution

This species is known from New South Wales, southeastern Australia and probably also from Northern New Zealand.[3]

Description

This brightly coloured species is completely pink. Only the tips of the mantle projections, rhinophores and gills have a darker shade of the same color. It does not have a traditionally shaped mantle, but instead has up to seven lateral appendages or papillae that protrude from the main body.

Ecology

This species feeds on the bryozoan Pleurotoichus clathratus.

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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. Rosenberg, G. (2015). Okenia atkinsonorum Rudman, 2007. In: MolluscaBase (2015). Accessed through: World Register of Marine Species on 2015-10-23
  3. Rudman, W.B., 2007 (December 10) Okenia atkinsonorum Rudman, 2007. [In] Sea Slug Forum. Australian Museum, Sydney.
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