Facelina ? from French Mediterranean coast

August 21, 2008
From: Sylvain Le Bris

Dear Bill,

I couldn't succeed to identify this Facelina. Is it F. bostoniensis or F. albida or F. auriculata? or another species !

Locality: Marseille, 15 m, France, Mediterranean sea, 28 June 2008. Length: 2.5 cm. Photographer: Sylvain Le Bris.

Thanks for your help
Kind regards
Sylvain

lebris.sylvain@gmail.com

Le Bris, S., 2008 (Aug 21) Facelina ? from French Mediterranean coast. [Message in] Sea Slug Forum. Australian Museum, Sydney. Available from http://www.seaslugforum.net/find/21794

Dear Sylvain,

This is Facelina auriculata. It has similarities to F. bostonensis but in F. auriculata the cerata are shorter, and in distinctly separate clusters. Also, the cerata usually don't extend beyond the posterior tip of the foot. Another character is that F. auriculata always has the blue streaks on the cerata which are absent in F. bostonensis.

I am not sure what you mean by F. albida?

Best wishes,
Bill Rudman

Rudman, W.B., 2008 (Aug 21). Comment on Facelina ? from French Mediterranean coast by Sylvain Le Bris. [Message in] Sea Slug Forum. Australian Museum, Sydney. Available from http://www.seaslugforum.net/find/21794

Factsheet

Facelina auriculata

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