Chromodoris willani on the prowl

August 7, 2007
From: Ken Tucker

I'm guessing, based on the white spots on gills and rhinophores that these are Chromodoris willani.

Locality: North Sulawesi, Lembeh Strait, 10 metres, Indonesia, Celebes Sea, 30 Nov 2006. Photographer: Ken Tucker.

Ken Tucker

ken@kilili.com

Tucker, K.C., 2007 (Aug 7) Chromodoris willani on the prowl. [Message in] Sea Slug Forum. Australian Museum, Sydney. Available from http://www.seaslugforum.net/find/20401

Dear Ken,

You are partly right. The two on the left are C. willani but the one on the right is almost certainly C. lochi. Its rhinophores have a pinkish orange tinge and no sign of spots. Certainly seeing three animals together like this makes you think its all one species, but both these species feed on the same sponges so its possible that food has brought them together. If you look at the top left of your photo there is a greyish patch [see close-up in bottom photo] which could well be their food sponge.

Best wishes,
Bill Rudman

Rudman, W.B., 2007 (Aug 7). Comment on Chromodoris willani on the prowl by Ken Tucker. [Message in] Sea Slug Forum. Australian Museum, Sydney. Available from http://www.seaslugforum.net/find/20401

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