Chromodoris purpurea? from Cannes

June 27, 2006
From: Dominique Horst

Hi Bill,
Another request for identification of the following dorid. A friend of mine, found this dorid yesterday. After a short discussion between us (in our emergent slugs fan club...), we decided on Chromodoris purpurea...
Would you be so kind to give us your point ?

Locality: Ste Marguerite Island, 25m, Cannes, Mediterranean sea, 22 June 2006, vertical rock. Length: 20 mm. Photographer: Helene Delaitre.

Many thanks in advance,
Kind regards,
Dominique

dominique.horst@wanadoo.fr

Horst, D., 2006 (Jun 27) Chromodoris purpurea? from Cannes. [Message in] Sea Slug Forum. Australian Museum, Sydney. Available from http://www.seaslugforum.net/find/16975

Dear Dominique,
A good decision. Yes this is C. purpurea, as species we know little about. On valuable aspect of your message is the bright yellow sponge alongside, which looks very much like Aplysilla sulfurea Schulze, 1878 to me.

Ortea & Perez (1983) mention that the food of C. purpurea is Aphyrilla sulfurea, which I assume is a mispelling from Aplysilla sulfurea. This makes Helene's photo the first possible confirmation of Ortea & Perez's observation. As I have said before being close to a sponge is not positive proof of feeding, but it is certainly a good enough indication to ask you to keep an eye out for this nudibranch on yellow sponges.

  • Ortea, J.A. & Perez, J. (1983: Dos Chromodorididae "Violeta" del Atlantico nordeste. Vieraea 12: 61-74.

Best wishes
Bill Rudman

Rudman, W.B., 2006 (Jun 27). Comment on Chromodoris purpurea? from Cannes by Dominique Horst. [Message in] Sea Slug Forum. Australian Museum, Sydney. Available from http://www.seaslugforum.net/find/16975

Factsheet

Chromodoris purpurea

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