Colour variation of Cratena peregrina

March 6, 2008
From: Zeineb Alhaidari

Dear Bill,
I saw this very dark colour variant of Cratena peregrina in the etang de Thau , which is a pond of salty water with communications to the Mediterranean sea , and thought it could be of some interest for the forum.

Locality: Thau Pier, 7 metres, France, Mediterranean sea, 10 November 2007, Sediment. Length: 2 cm. Photographer: Zeineb Alhaidari.

Best regards , and thank you again for all the work,
Zeineb

z.alhaidari@wanadoo.fr

Alhaidari , Z., 2008 (Mar 6) Colour variation of Cratena peregrina. [Message in] Sea Slug Forum. Australian Museum, Sydney. Available from http://www.seaslugforum.net/find/21220

Dear Zeineb,

Thanks for this record of a very dark specimen. I have seen very few photos of such a black specimen. Presumably it has been feeding on a similar coloured hydroid

Best wishes,
Bill Rudman

Rudman, W.B., 2008 (Mar 6). Comment on Colour variation of Cratena peregrina by Zeineb Alhaidari. [Message in] Sea Slug Forum. Australian Museum, Sydney. Available from http://www.seaslugforum.net/find/21220

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Cratena peregrina

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