Chromodoris collingwoodi feeding observations

January 31, 2007
From: Leanne & David Atkinson


Dear Bill,

We came across this Chromodoris collingwoodi feeding on a brown sponge that looks similar to the black sponge that we have seen it feeding on before. Thought this may be of interest.

Locality: The Pipeline, Port Stephens , 8 metres, New South Wales, Australia, Pacific, 20 January 2007, Silty, sandy bottom with scattered sponges, ascidians, soft corals and bryozoans. Length: 80 mm. Photographer: Leanne & David Atkinson.

Regards,
Leanne & David Atkinson

atk@hunterlink.net.au

Atkinson, L. & D., 2007 (Jan 31) Chromodoris collingwoodi feeding observations. [Message in] Sea Slug Forum. Australian Museum, Sydney. Available from http://www.seaslugforum.net/find/19356

Dear Leanne & David,
Thanks for another valuable record. I am not sure if it is the same species as the dark bluish sponge you have found it feeding on before but this sponge is certainly of the same genus - Dictyodendrilla.

Some of you may have noticed I have been a bit slow answering messages over the last  2-3 weeks. The reason is that my sponge expert has been in town and I tried to put most things to one side so we could finally complete the manuscript I have been working on for a couple of years, on sponge specificity in the chromodorids - which we have done. Hopefully it won't be too long before it is published. Don't think I am now no longer interested in feeding observations however. Although we have a nice story to tell, we now need even more observations to test our conclusions.

Best wishes,
Bill Rudman

Rudman, W.B., 2007 (Jan 31). Comment on Chromodoris collingwoodi feeding observations by Leanne & David Atkinson. [Message in] Sea Slug Forum. Australian Museum, Sydney. Available from http://www.seaslugforum.net/find/19356

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