Facelinid from Sao Tome Id., off west Africa

April 16, 2005
From: Gonçalo Calado


Hi Bill
Last February I've been in a field trip in São Tomé Island (just follow the equator line off West Africa and I collected this nudibranch. It seems to me a Facelinid. In fact it occupies the same habitat (underneath boulders) that Facelina coronata does in European waters. Any ID clue? They are about 2-3 cm long.

Locality: Rolas, Saõ Tomé e Príncepe Ids, Atlantic Ocean. Depth: 5-20 m. Length: 2.5 cm. 2 February 2005. Under boulders. Photographer: Gonçalo Calado.

Regards
Gonçalo Calado

bagoncas@netvisao.pt

Calado, G., 2005 (Apr 16) Facelinid from Sao Tome Id., off west Africa. [Message in] Sea Slug Forum. Australian Museum, Sydney. Available from http://www.seaslugforum.net/find/13430

Dear Gonçalo,
It certainly looks like Facelina auriculata [= F. coronata] or possibly a species of Phidiana. The arrangement of relatively short cerata in distinct groups of rows is fairly characteristic. The structure of the rhinophores, which I have included in a close-up of one of your photos may be a useful character. The pink colour on the head is the colour of the jaw plates showing through the skin. I am not familiar enough with the Atlantic fauna to make a suggestion, but hopefully someone else can help
Best wishes,
Bill Rudman

Rudman, W.B., 2005 (Apr 16). Comment on Facelinid from Sao Tome Id., off west Africa by Gonçalo Calado. [Message in] Sea Slug Forum. Australian Museum, Sydney. Available from http://www.seaslugforum.net/find/13430

Factsheet

Unidentified - Europe, Mediterranean, West Africa

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