Ceratosoma trilobatum feeding

June 7, 2007
From: Bruce Wight

Dear Bill,

Here is another feeding shot for the forum. What is Ceratosoma feeding on?

Locality: Lembeh Strait, 30-65 Feet, Sulawesi, Indonesia, Celebes Sea, November 2006, Found on reef and sand. Length: 3/8 to 5 inches. Photographer: Bruce Wight .

Thanks
Bruce Wight

bruce.c.wight@boeing.com

Wight, B.C., 2007 (Jun 7) Ceratosoma trilobatum feeding. [Message in] Sea Slug Forum. Australian Museum, Sydney. Available from http://www.seaslugforum.net/find/19945

Dear Bruce,
Thanks for this photo of a brightly coloured Ceratosoma trilobatum. It is a good example of the difficulty in studying feeding in these animals as the sponge it is eating is partially covered by debris and silt, probably entangled in a mucus layer the sponge exudes. On the left foreground of your photo there are some purplish patches which I am pretty sure are the sponge colony it is eating. I think I can see some fibre structure which fits with Dysidea, the genus of sponges Ceratosoma trilobatum feeds on - but it could be wishful thinking on my part.

Best wishes,
Bill Rudman

Rudman, W.B., 2007 (Jun 7). Comment on Ceratosoma trilobatum feeding by Bruce Wight. [Message in] Sea Slug Forum. Australian Museum, Sydney. Available from http://www.seaslugforum.net/find/19945

Factsheet

Ceratosoma trilobatum

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