Ceratosoma amoena on food sponge

February 23, 2003
From: Mark Burnett


Hi Bill,
In reply to your request. Glad to oblige with a couple of slides of Ceratosoma amoena on its food sponge. These pictures were taken 15th February 2003 at the Poor Knights Ids -northeastern new Zealand]. The dive site was El Torito cave and the depth was 11 metres. The first slide has two adults of around 5cm, the second is of a sponge that seemed to have a whole family on a picnic. The smallest individuals were about 15mm and there were also bigger ones up to 3cm out of shot. I estimate there were 10 - 12 on this sponge. Within 5 metres of this sponge I also found Aphelodoris luctuosa, Dendrodoris denisoni and Tambja verconis. A good time of year at the Knights!

Regards
Mark Burnett

mburnett@actrix.gen.nz

Burnett, M., 2003 (Feb 23) Ceratosoma amoena on food sponge. [Message in] Sea Slug Forum. Australian Museum, Sydney. Available from http://www.seaslugforum.net/find/9268

Dear Mark,
Thanks for the very quick response. In an earlier message I noted that C. amoena had been reported feeding in New Zealand on a species of Dysidea. I suspect the sponge in both your photos are forms of the same species. I'll have to get its identity checked. Hopefully that can be done from the full size sections of your photos I have posted alongside
Cheers,
Bill Rudman

Rudman, W.B., 2003 (Feb 23). Comment on Ceratosoma amoena on food sponge by Mark Burnett. [Message in] Sea Slug Forum. Australian Museum, Sydney. Available from http://www.seaslugforum.net/find/9268

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Ceratosoma amoenum

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