Re: Chromodoris geometrica waving anterior mantle

February 5, 2008
From: Leanne & David Atkinson


Concerning message #474:

Dear Bill,
We found this Chromodoris geometrica flapping its mantle. This series of photos show the lifting of the mantle and the purple underneath it also seems to have its mouth extended but did not seem to be eating. We thought you might like another example of it showing the nudibranch from a different angle.

Locality: The Pipeline, Nelson Bay, Port Stephens, 5 metres, New South Wales, Australia, Pacific, 7 January 2008, Sandy silty bottom seagrass, kelp, ascidians and scattered sponges. Length: approximately 25 mm. Photographer: Leanne & David Atkinson.

Best wishes,
Leanne & David Atkinson

atk@hunterlink.net.au

Atkinson, L. & D., 2008 (Feb 5) Re: Chromodoris geometrica waving anterior mantle. [Message in] Sea Slug Forum. Australian Museum, Sydney. Available from http://www.seaslugforum.net/find/21340

Dear Leanne & David,

Thanks for these photos. It certainly looks as though it has its oral tube extended. Perhaps the sponge colony is very small or perhaps it has just about finished eating it. Chromodoris geometrica is one of the species of Chromodoris which flaps only the front of its mantle which is purple on the underside.

Best wishes,
Bill Rudman

Rudman, W.B., 2008 (Feb 5). Comment on Re: Chromodoris geometrica waving anterior mantle by Leanne & David Atkinson. [Message in] Sea Slug Forum. Australian Museum, Sydney. Available from http://www.seaslugforum.net/find/21340

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