Unknown white aeolid from French Brittany

July 29, 2006
From: Wilfried Bay-Nouailhat

Dear Bill

Can you help me for the identification of this small nudibranch found in French Brittany.

Locality: Corven de la Jument, Trégunc, Finistère sud, 8 metres, France, Atlantic Ocean, 14 July 2006, On rocks. Length: 15 mm. Photographer: Wilfried Bay-Nouailhat.

Best wishes
Anne and Wilfried Bay-Nouailhat

contact@mer-littoral.org

Bay-Nouailhat Wilfried, 2006 (Jul 29) Unknown white aeolid from French Brittany. [Message in] Sea Slug Forum. Australian Museum, Sydney. Available from http://www.seaslugforum.net/find/17145

Dear Willy,
I am pretty sure this is a species of Cuthona but I will need some help in identifying the species.

In the close-up photo alongside parts of the digestive system are clealry seen. The whitish triangular object with black speckles is the oesophagus-stomach region, swollen with recently eaten food. The yellowish lines are ducts connecting to the digestive gland duct in each ceras, where the food is digested and absorbed.

Best wishes,
Bill Rudman

Rudman, W.B., 2006 (Jul 29). Comment on Unknown white aeolid from French Brittany by Wilfried Bay-Nouailhat. [Message in] Sea Slug Forum. Australian Museum, Sydney. Available from http://www.seaslugforum.net/find/17145

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