Glossodoris atromarginata feeding [2]

June 27, 2007
From: Richard Swann

Hi Bill

A couple more Glossodoris atromarginata feeding from the same day but different dive site [see message #20018 ].

Locality: West Sulug Island, 23meters, Sabah, Borneo, South China Sea, 10th June 2007, Reef slope, outreef. Length: 35mm. Photographer: Richard Swann.

Thanks and best regards
Richard
www.downbelow.co.uk

 

richard@downbelow.co.uk

Swann, R., 2007 (Jun 27) Glossodoris atromarginata feeding [2]. [Message in] Sea Slug Forum. Australian Museum, Sydney. Available from http://www.seaslugforum.net/find/20019

Thanks Richard,

I agree that this one is definitely feeding but I am afraid I can't positively identify the sponge. All I can say is that it is a sponge which can survive considerable overgrowing by plants, and other animals. Interestingly, this subgroup of the genus Glossodoris have quite a small radula and a long oral tube which could evert as a long thin tube rather than the big inflated bulb seen in species of Hypselodoris, like your nice photos of H. kanga [#19897]. It's possible that the reason we see so little obvious sign of feeding in G. atromarginata, is that the thin oral tube is designed to be able delve deeply into the a sponge colony, partly buried under other growths.

Best wishes,
Bill Rudman

Rudman, W.B., 2007 (Jun 27). Comment on Glossodoris atromarginata feeding [2] by Richard Swann. [Message in] Sea Slug Forum. Australian Museum, Sydney. Available from http://www.seaslugforum.net/find/20019

Factsheet

Glossodoris atromarginata

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