October 20, 2005
From: Les Wilk
Is this a Cerberilla tanna? It was first seen half-buried in the sand, with its tail sticking out. There was another one like it about 5 ft away.
Locality: west coast of St. Vincent Is., Caribbean Sea. Depth: 20 feet. Length: 1 inch. July 2005. sandy bottom. Photographer: Keri Wilk
email@example.comWilk, L., 2005 (Oct 20) Cerberilla tanna? from St. Vincent. [Message in] Sea Slug Forum. Australian Museum, Sydney. Available from http://www.seaslugforum.net/find/15047
I am pretty sure this is C. tanna. Usually in Cerberilla, only juveniles have proportionally large oral tentacles, but from other photos we have on the Forum, large oral tentacles appear to persist in adults as well. Your animal doesn't have the distinctive yellow and black bands on the cerata, but there are dark brown and yellowish bands which I assume represent them. Species of Cerberilla are not commonly seen, because of their burrowing life, but I suspect they are probably more abundant than we think.
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