Re: Variations in Hypselodoris carnea

April 14, 2008
From: Colin Ogden

Concerning message #21508:

Hi Bill, thanks for your prompt response.
I do have another photo of the H. carnea showing a bit more of the yellow sponge. It appears to me that there is a small layer of another sponge on top of the yellow sponge, but it also looks as if the Hypselodoris has its mouth extended into the yellow sponge, and part of this extension is translucent and appears to have some of the yellow sponge inside.

Locality: Sodwana , 14 metres, South Africa, Indian, Jan 2008, reef. Length: 40 mm. Photographer: Colin Ogden.

I hope this can help
Regards
Colin

scubaco@iafrica.com

Ogden C. M., 2008 (Apr 14) Re: Variations in Hypselodoris carnea. [Message in] Sea Slug Forum. Australian Museum, Sydney. Available from http://www.seaslugforum.net/find/21516

Dear Colin,

I'm afraid I can't contribute much at this stage. The yellow seems to be a thin layer,  but I am not sure if the 'sand-grainy' material beneath is part of the colony or not. Some of these non-spicuate sponges incoporate sand grains into their skeleton. I will of course discuss it with my sponge expert, Dr Pat Bergquist, but even if we can't make a positive identification, it will certainly be a useful bit of information if we find it on a bright yellow sponge in future. Perhaps next time its stucture will make it a little more identifiable.

Best wishes,
Bill Rudman

Rudman, W.B., 2008 (Apr 14). Comment on Re: Variations in Hypselodoris carnea by Colin Ogden. [Message in] Sea Slug Forum. Australian Museum, Sydney. Available from http://www.seaslugforum.net/find/21516

Factsheet

Hypselodoris carnea

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