Chromodoris roboi? from Indonesia

October 12, 2003
From: Paul Whitehead

Dear Dr. Rudman,
I believe this may be a Chromodoris roboi but looking through several books and the examples on your site I don't seem to be able to match it exactly - it comes close to many examples in colouration / pattern but then does not match with gill or rhinopore colouration.

The photograph was taken at Lembeh Straits (Sulawesi, Indonesia) at 20 meters, length was 6 cm.

Paul

Whitehead@damnam.org

Whitehead, P., 2003 (Oct 12) Chromodoris roboi? from Indonesia. [Message in] Sea Slug Forum. Australian Museum, Sydney. Available from http://www.seaslugforum.net/find/11181

Dear Paul,
Have a look at Stuart Hutchison's message which is of an animal almost identical in colour to yours. I suggested Stuart's animal may be a form of C. roboi but I agree it certainly lacks the purple in the gills and rhinophores. Building up photos like this is one good way of sorting out what's going on. It's also possible the sponge you photographed it on is its food sponge. Hopefully we will gradually accumulate enough information on the biology of these colour forms - and colour variation - to enable us to reach a sensible conclusion on how many distinct species fall inot this colour group.
Best wishes
Bill Rudman

Rudman, W.B., 2003 (Oct 12). Comment on Chromodoris roboi? from Indonesia by Paul Whitehead. [Message in] Sea Slug Forum. Australian Museum, Sydney. Available from http://www.seaslugforum.net/find/11181

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