Ceratosoma tenue feeding [1]

October 11, 2007
From: Bruce Wilkie


Hi Bill,
Looking through my files I came across these photos of Ceratosoma tenue feeding. I noticed the forum does not have many feeding records of this species. Hope they help to fill in some more gaps.

Locality: Flat rock, Point lookout, Nth Stradbroke island, 12mts, Queensland, Australia. , Pacific ocean., 21 May 2006, Rocky reef, hard and soft corals, sponges.. Length: 50mm. Photographer: Bruce Wilkie.

Many thanks,
Bruce Wilkie.

brucedwilkie@yahoo.com.au

Wilkie, B, 2007 (Oct 11) Ceratosoma tenue feeding [1]. [Message in] Sea Slug Forum. Australian Museum, Sydney. Available from http://www.seaslugforum.net/find/20930

Dear Bruce,
Thanks for this valuable contribution. I have split your message into three separate messages so I can include close-up photos of the sponges. It is good to be able to provide clear visual identification of the sponge for each record.

In fact Mike Krampf's message [#20164] is the only feeding observation I know for this species and although almost certainly a species of Dysidea, the photo is not clear enough for a positive identification. Your photo here shows quite clearly that it is a species of Dysidea, and is the same species which you have recorded being eaten by Ceratosoma moloch [#17694, #17682 ].

It is also the same sponge as in your other two messages about C. tenue feeding [#20933, #20934]. I am pretty usre from my earlier conversations with Prof. Bergquist  that this is an unnamed sponge species, but I will of course check that out with her.  

Best wishes,
Bill Rudman

Rudman, W.B., 2007 (Oct 11). Comment on Ceratosoma tenue feeding [1] by Bruce Wilkie. [Message in] Sea Slug Forum. Australian Museum, Sydney. Available from http://www.seaslugforum.net/find/20930

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