Colour variation in Chromodoris annae

March 13, 2002
From: Bernard Picton

Hi Bill,
I've sent a couple of scans of Chromodoris annae to show variation in the black pigment along the midline. Normally this seems to be absent, but as you can see from the very pale specimen here it can be quite extensive as a broken line. I think both the animals sent by Lindsay on November 19, 1998 are C. annae. In fact I am fairly certain that I have never seen C. elisabethina in Indonesia. I wonder if it has a strange distribution pattern where it stops at Western Australia and Papua New Guinea?

Upper Right: - Hoga Is, Sulawesi, Indonesia. - October 1997
Lower Left: - Dumaguete, Negros, Philippines - 30 MAR 1983 - BEPPH75
Lower Right: - NW Bali, Indonesia - March 1996

Bernard

bernard.picton.um@nics.gov.uk

Picton, B. , 2002 (Mar 13) Colour variation in Chromodoris annae. [Message in] Sea Slug Forum. Australian Museum, Sydney. Available from http://www.seaslugforum.net/find/6421

Thanks Bernard,
I think you are right about Lindsay's two animals, They are almost ceratinly C. annae.

In your message about Chromodoris magnifica one of the photos you suspect may not be C. magnifica is most probably C. annae. I have copied it alongside. The characteristic punctate blue pattern is clearly visible. If I have identified it correctly, it looks as though it can have a central row of pigment - in this case orange brown. It is from Hoga Is., Sulawesi, Indonesia. Oct 1997.
Best wishes,
Bill Rudman

Rudman, W.B., 2002 (Mar 13). Comment on Colour variation in Chromodoris annae by Bernard Picton . [Message in] Sea Slug Forum. Australian Museum, Sydney. Available from http://www.seaslugforum.net/find/6421

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Chromodoris annae

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