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/12194

Thanks 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

Rudman, W.B., 2004 (Feb 17). Comment on Ceratosoma brevicaudatum feeding by Nerida Wilson. [Message in] Sea Slug Forum. Australian Museum, Sydney. Available from http://www.seaslugforum.net/find/12194

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