Re: Berghia coerulescens from French Mediterranean

September 5, 2008
From: Dominique Horst

Concerning message #10617:

Hi Bill,

I think this is Berghia coerulescens with its very particular rhinophores.
We've met this species only at the same site on a very precise location.
But it's the first time we had time for a photo sequence.

Locality: Cannes, 24 m, France, Mediterranean sea, 31 August 2008. Length: 22 mm. Photographer: Dominique Horst.

Kind regards,
Dominique

dominique.horst@wanadoo.fr

Horst, D., 2008 (Sep 5) Re: Berghia coerulescens from French Mediterranean. [Message in] Sea Slug Forum. Australian Museum, Sydney. Available from http://www.seaslugforum.net/find/21858

Dear Dom,

Thanks for these great shots of the rhinophores. In the early scientific literature the rhinophores have been described by some as papillate and by others as lamellate. It looks like they are better described as having lamellae which break up posteriorly into irregular papillae. The reason this is important is that it helps decide whether Berghia coerulescens  is linked to a group of species with papillate rhinophores other another group with lamellate rhinophores.

Best wishes,
Bill Rudman

Rudman, W.B., 2008 (Sep 5). Comment on Re: Berghia coerulescens from French Mediterranean by Dominique Horst. [Message in] Sea Slug Forum. Australian Museum, Sydney. Available from http://www.seaslugforum.net/find/21858

Factsheet

Berghia coerulescens

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