Ceratosoma tenue from South Africa

November 5, 1999
From: Valda Fraser

I dive on the south coast of KwaZulu Natal, South Africa, an area which is exceptionally rich in nudibranch life. I have been able to identify many of the animals I have photographed, however I am battling to find information about some of them. Please could you help me.

Kind regards,
Valda Fraser

iti04937@mweb.co.za

Fraser, V., 1999 (Nov 5) Ceratosoma tenue from South Africa. [Message in] Sea Slug Forum. Australian Museum, Sydney. Available from http://www.seaslugforum.net/find/1480

Dear Valda,
I am happy to help. This is Ceratosoma tenue which is characterised by the the third lobe on each side of the mantle between the gills and the rhinophores. Like Ceratosoma trilobatum the body colour in this species is very variable. In most genera of the Chromodorididae, anatomy and body shape are fairly conservative, differences in colour pattern being the best way to differentiate species. In Ceratosoma however, colour pattern is very variable within most species and the best way to differentiate species is to compare their body shape.

Welcome to the Forum. It would be very useful if you could include some basic information on the locality, date of collection and size.
Best wishes,
Bill Rudman.

Rudman, W.B., 1999 (Nov 5). Comment on Ceratosoma tenue from South Africa by Valda Fraser. [Message in] Sea Slug Forum. Australian Museum, Sydney. Available from http://www.seaslugforum.net/find/1480

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