Okenia impexa is a species of sea slug, specifically a dorid nudibranch, a marine gastropod mollusc in the family Goniodorididae.[2]
| Okenia impexa | |
|---|---|
Scientific 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]
| |
Distribution
editThis 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
editThis 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
editMinimum recorded depth is 0 m.[6] Maximum recorded depth is 0 m.[6]
Ecology
editThe 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
edit- ^ Marcus, Er. (1957) On Opisthobranchia from Brazil (2). Zoological Journal of the Linnean Society, 43(292), 390-486.
- ^ Okenia impexa Er. Marcus, 1957. Retrieved through: World Register of Marine Species on 10 January 2019.
- ^ Rudman, W.B., 2004 (December 22) Okenia impexa Baba, 1938. [In] Sea Slug Forum. Australian Museum, Sydney.
- ^ 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.
- ^ Giannuzzi-Savelli, Riccardo; Chemello, Renato; Cattaneo-Vietti, Riccardo (1991). Atlas of Mediterranean nudibranchs. Atlante dei nudibranchi del Mediterraneo. Roma: Editrice La Conchiglia.
- ^ 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.