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Okenia impexa

From Wikipedia, the free encyclopedia

Okenia impexa
Scientific classification Edit this classification
Domain: Eukaryota
Kingdom: Animalia
Phylum: Mollusca
Class: Gastropoda
Order: Nudibranchia
Superfamily: Onchidoridoidea
Family: Goniodorididae
Genus: Okenia
Species:
O. impexa
Binomial name
Okenia impexa
Marcus, 1957[1]

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

Distribution

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This species was described from Brazil. It is known from Brazil north to North Carolina, USA. It has also been reported from the western Mediterranean and the Cape Verde Islands.[3]

Description

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This Okenia has a tall body and about five or six lateral papillae on each side of the mantle.[4]

The maximum recorded body length is 3–4 mm[5] or up to 7 mm.[6]

Habitat

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Minimum recorded depth is 0 m.[6] Maximum recorded depth is 0 m.[6]

Ecology

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The diet of this species is unknown but the shape of the animal resembles ascidian eating species of Okenia such as Okenia aspersa.[citation needed]

References

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  1. ^ Marcus, Er. (1957) On Opisthobranchia from Brazil (2). Zoological Journal of the Linnean Society, 43(292), 390-486.
  2. ^ Okenia impexa Er. Marcus, 1957. Retrieved through: World Register of Marine Species on 10 January 2019.
  3. ^ Rudman, W.B., 2004 (December 22) Okenia impexa Baba, 1938. [In] Sea Slug Forum. Australian Museum, Sydney.
  4. ^ Valdés, Ángel; Hamann, Jeff; Behrens, David W.; DuPont, Anne. Caribbean Sea Slugs, Sea Challengers Natural History Books, Etc., Gig Harbor, Washington 2006, pp. 116-117. ISBN 0-9700574-2-3 page 124.
  5. ^ Giannuzzi-Savelli, Riccardo; Chemello, Renato; Cattaneo-Vietti, Riccardo (1991). Atlas of Mediterranean nudibranchs. Atlante dei nudibranchi del Mediterraneo. Roma: Editrice La Conchiglia.
  6. ^ a b c Welch J. J. (2010). "The “Island Rule” and Deep-Sea Gastropods: Re-Examining the Evidence". PLoS ONE 5(1): e8776. doi:10.1371/journal.pone.0008776.