Ceratosoma ingozi from South Africa
May 26, 2005
From: Charles Rowe
Hi Bill,
This weekend I found what looks to me likek a new nudi for Port
Elizabeth! Anyway the details are - Gasmic, Algoa Bay, Port Elizabeth, South Africa, 25 metres. May 2005. Any idea what it is? It looks very similar to one I took at Christmas in Cape Town but the colouring is different.
See ya.
Charles
Charles.rowe@gmsa.com
Rowe, C., 2005 (May 26) Ceratosoma ingozi from South Africa. [Message in] Sea Slug Forum. Australian Museum, Sydney. Available from http://www.seaslugforum.net/find/13871
Dear Charles,
Yes this is Ceratosoma ingozi. This animal is indeed quite different in colour to your earlier photo [message #13049], but species of Ceratosoma are quite variable in colour. As we see more photos of this South African species, I am struck wit its similarity to its southern Australian counterpart C. brevicaudatum, although the posterior tip to the mantle looks more substantial than that species. Your two photos show some interesting features. Firstly we can see it is feeding on the red-brown sponge - a crater-like hole is very obvious. Secondly its mantle glands are concentrated posteriorly and anteriorly. There is a cluster around the posterior end of the mantle edge, and in front of each rhinophore, there is another cluster on each side.
Best wishes,
Bill Rudman
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