Re: Thecacera pennigera - a new Mediterranean exotic

April 7, 2008
From: Constantine Mifsud

Concerning message #21483:

Dear Bill,
The Conchologial Society of Great Britain & Ireland have issued a postcard with a photo of a Thecacera pennigera taken at Portrush, Northern Ireland. I had thought the attached animal was this species. About 15 years ago I had found it attached to an old fishing line encrusted with with various marine fauna brought up from 60-80 m from Malta. Is it that species??

 60-80 mteres, Malta, Mediterranean, summer 1993, hard substratum. Length: 24 mm. Photographer: C. Mifsud.

Constantine Mifsud

kejdon@orbit.net.mt

Mifsud C., 2008 (Apr 7) Re: Thecacera pennigera - a new Mediterranean exotic. [Message in] Sea Slug Forum. Australian Museum, Sydney. Available from http://www.seaslugforum.net/find/21493

Dear Con,

From your photos my guess is that you have a tritoniid of some sort. The rhinophores seem to have vertical 'leaflets'. there seems to be an oral veil and possibly many tiny gills along the edge of the mantle.

With luck, someone may recognise it for us

Best wishes,
Bill Rudman

Rudman, W.B., 2008 (Apr 7). Comment on Re: Thecacera pennigera - a new Mediterranean exotic by Constantine Mifsud. [Message in] Sea Slug Forum. Australian Museum, Sydney. Available from http://www.seaslugforum.net/find/21493

Factsheet

Thecacera pennigera

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