Ceratosoma brevicaudatum feeding
February 17, 2004
From: Nerida Wilson
Hi Bill,
I have some photos that support David and Leannes observation [#12084] on Ceratosoma brevicaudatum feeding. I found a juvenile also feeding on a similar mauve sponge in Westernport Bay, Victoria, Australia. The photo that includes the (fuzzy!) nudibranch shows most of the sponge, and how it is overgrown with a filamentous red material. I also took a closer pic to show an area of the sponge without overgrowth. These pictures were taken at 4m in December 2003 at Crawfish Rock. This site is heavily silted, and has a kind of photo-upwelling (where deeper water animals are often found quite shallowly). It is prone to strong currents.
Cheers
Nerida
nwilson@marine.uq.edu.au
Wilson, N., 2004 (Feb 17) Ceratosoma brevicaudatum feeding. [Message in] Sea Slug Forum. Australian Museum, Sydney. Available from http://www.seaslugforum.net/find/12194Thanks Nerida,
These should help identification of the sponge. It definitely feeds on a sponge which is not very good at keeping organisms from growing all over it, and your sponge certainly meets that criteria
Best wishes
Bill Rudman
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