Re: Cumanotus from Slovenia [2]

February 25, 2009
From: Sandrine Bielecki

Concerning message #13517:

Hi all
If it can help, Here is a photo of Cumatonus beaumonti (? I think), found in Cagnes sur Mer (South of France) last February 13. The slug was hidden in the middle of hydroid (see picture) which must be its favorite food. It was during a night dive, 7 meters deep and the temperature is around 12°C at this period of the year. The size is around 1 cm.

Locality: Cagnes sur Mer, 7 meters, France, Mediterranee, 13 February 2009, sand. Length: 1 cm. Photographer: Gilles Cavignaux.

Sandrine Bielecki

sandrine.b3@free.fr

Bielecki, S., 2009 (Feb 25) Re: Cumanotus from Slovenia [2]. [Message in] Sea Slug Forum. Australian Museum, Sydney. Available from http://www.seaslugforum.net/find/22268

Dear Sandrine,

As you will have seen from the discussion accompanying earlier messages, there is some confusion concerning C. beaumonti and C. cuenoti. Only the latter is reported to feed on the hydroid Tubularia - which I suspect is what you found your animal on - but the shape of the animal suggests it is C. beaumonti. It is not an easy matter to sort out because both 'species' seem to be quite rare. I would agree with your decision to identify this as C. beaumonti although I can't see the oral tentacles which would confirm this.

Best wishes,
Bill Rudman

Rudman, W.B., 2009 (Feb 25). Comment on Re: Cumanotus from Slovenia [2] by Sandrine Bielecki. [Message in] Sea Slug Forum. Australian Museum, Sydney. Available from http://www.seaslugforum.net/find/22268

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