Chromodoris annae with 2 separate mantles

July 17, 2008
From: Marcel A. Tanke

Dear Bill,
We found this interesting Chromodoris annae feeding on a brown sponge. Its mantle is split into 2 full rings. So I suppose it is a developmental abnormality.

Locality: Anilao, 10-15 meters, Philippines, 13 July 2008. Length: 4 cm. Photographer: Marcel Tanke.

Regards,
Marcel

marceltanke@cs.com

Tanke, M.A., 2008 (Jul 17) Chromodoris annae with 2 separate mantles. [Message in] Sea Slug Forum. Australian Museum, Sydney. Available from http://www.seaslugforum.net/find/21706

Thanks Marcel,

It is an interesting find, and I would agree that it a developmental abnormality. It is also nice to get a third record of this species feeding on this sponge, which is almost certainly a species of Petrosaspongia.

Best wishes,
Bill Rudman

Rudman, W.B., 2008 (Jul 17). Comment on Chromodoris annae with 2 separate mantles by Marcel A. Tanke. [Message in] Sea Slug Forum. Australian Museum, Sydney. Available from http://www.seaslugforum.net/find/21706

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Chromodoris annae

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