Cratena from South Africa
March 6, 2000
From: Valda Fraser
Dear Bill
I think this may be Cratena capensis. I look forward to hearing your opinion.
Locality: South Coast KwaZulu-Natal
Hibberdene - 20m
Date: June 1999
Size: 20mm
Regards
Valda Fraser
iti04937@mweb.co.za
Fraser, V., 2000 (Mar 6) Cratena from South Africa. [Message in] Sea Slug Forum. Australian Museum, Sydney. Available from http://www.seaslugforum.net/find/2020Dear Valda,
It could be Cratena capensis Barnard, 1927 but it is more likely to be Gosliner's Cratena sp. 1 which has rhinophores and oral tentacles of about equal length.
I can't see the 'black gland' below the tip of the cerata which Terry says is characteristic but then I can't see it in the photo in his book either. There is a darker region at the top of the digestive gland as in your photo. Another point si that Barnard says the rhinophores and oral tenatcles are white in Cratena capensis while in your animal (& Gosliner's) the rhinophores are orange.
Best wishes,
Bill Rudman.
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