Okenia evelinae

Okenia evelinae
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. evelinae
Binomial name
	Okenia evelinae; Marcus, 1957[1]

Okenia evelinae 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 Ubatuba, Brazil. It has been reported from Brazil to Lake Worth Lagoon, Florida.[3][4]

Description

This Okenia has a narrow body and six pairs of short lateral papillae. There are two papillae on the mid-line of the back and two more on either side of the papilla which is just in front of the gills. The body is translucent white with opaque white spots. The bases of the rhinophores are brown and this pigment may form an indistinct line down both sides of the back and tail.

The maximum recorded body length is 8 mm.[5]

Habitat

Minimum recorded depth is 0 m.[5] Maximum recorded depth is 0 m.[5]

Feeding habits

The diet of this species is the ctenostome bryozoan, Amathia distans Busk, 1886.[3]

gollark: In this, yes.

gollark: This is just a ZIP concatted on the end, but if you muck with the formats a lot you could probably use some of the image data to store code.

gollark: So you can run this (`python3 logo96.png`) and it prints hello world, and as you can see it's a valid image.

gollark: <@!336962240848855040> So I don't know if any image format will let you stick a shebang at the start, *but* python apparently happily runs `__main__.py` from ZIP files. And ZIP files are backwards and work fine at the end of an image.

gollark: Anyway, I don't think any widely-used image formats will let you stick in a shebang or whatever at the front, unfortunately, they have headers.

References

Marcus, Er. (1957) On Opisthobranchia from Brazil (2). Journal of the Linnean Society of London, Zoology, 43(292): 390-486.
Caballer, M.; Rosenberg, G. (2015). Okenia evelinae Er. Marcus, 1957. In: MolluscaBase (2015). Accessed through: World Register of Marine Species on 2015-10-20
Rudman, W.B., 2004 (January 28) Okenia evelinae Marcus, 1957. [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 126.
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.

External links

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[Marcus1957-1] Marcus, Er. (1957) On Opisthobranchia from Brazil (2). Journal of the Linnean Society of London, Zoology, 43(292): 390-486.

[2] Caballer, M.; Rosenberg, G. (2015). Okenia evelinae Er. Marcus, 1957. In: MolluscaBase (2015). Accessed through: World Register of Marine Species on 2015-10-20

[ssf-3] Rudman, W.B., 2004 (January 28) Okenia evelinae Marcus, 1957. [In] Sea Slug Forum. Australian Museum, Sydney.

[CSlugs-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 126.

[Welch_2010-5] 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.