Unidentified dorid from Mediterranean France
January 20, 2009
From: Sandrine Bielecki
Hi Bill
Please help us to identify this slug, already debated on a french forum called "Doris" but without definitive conclusion.
An Aldisa sp ?
Locality: Cannes, France, Mediterranee, 20 September 2008. Photographer: Gilles Cavignaux.
Sandrine Bielecki
sandrine.b3@free.fr
Bielecki, S., 2009 (Jan 20) Unidentified dorid from Mediterranean France. [Message in] Sea Slug Forum. Australian Museum, Sydney. Available from http://www.seaslugforum.net/find/22163Dear Sandrine,
It is very useful to have an idea of the size of an animal because juveniles can look quite different from adults. From the size of the filaments in the background I assume this is quite a small specimen.
It does not have the characteristic dark markings usually found in the dorsal midline of an Aldisa, but that could be because it is a juvenile. The caryophyllidia like structires at the front of the mantle remind me a Rostanga but the shape of the rhinophores are quite different from the common red Rostanga rubra. One animal it looks very like is Discodoris rosi but it lacks the characteristic pale whitish rings on the mantle. Perhaps they are absent in juveniles?
Hopefully someone will be able to help you with an identification
Best wishes,
Bill Rudman
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