Hypselodoris obscura feeding

February 20, 2006
From: L. & D. Atkinson


Dear Bill,
We came across the Hypselodoris obscura which appears to be feeding. There weren't any messages posted showing it feeding and you don't mention it's food in the fact sheet so we thought these photos might be of interest. The "long shot" was to show the sponge clearly. The close up shows what we thought was the bucal bulb everted for feeding. Most summer seasons we see a few of these darker coloured H. obscura in the Port Stephens area.

Locality: The Pipeline, Port Stephens, 10 m, New South Wales, Australia, Pacific Ocean, 11 February 2006, Sandy bottom with scattered sponges, soft corals and ascidians. Length: 15 mm. Photographer: Leanne & David Atkinson.

Regards,
Leanne & David Atkinson

atk@hunterlink.net.au

Atkinson, L. & D., 2006 (Feb 20) Hypselodoris obscura feeding. [Message in] Sea Slug Forum. Australian Museum, Sydney. Available from http://www.seaslugforum.net/find/15878

Dear Leanne & David,
Thnaks for this. It's food sponge seems to be one of those very cryptic ones which are hard to distinguish from the background. I suspect the darker parts of the colony, which show the sponge structure, are where the slug has been eating. It is almost certainly a  species of Dysidea, but I will get it checked
Best wishes,
Bill Rudman

Rudman, W.B., 2006 (Feb 20). Comment on Hypselodoris obscura feeding by L. & D. Atkinson. [Message in] Sea Slug Forum. Australian Museum, Sydney. Available from http://www.seaslugforum.net/find/15878

Factsheet

Hypselodoris obscura

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