Chromodoris hamiltoni from South Africa

February 11, 2000
From: Valda Fraser

Dear Bill
I have found another nudibranch which I am unable to identify. I saw three specimens a couple of metres apart. Please help!
Locality: South Coast KwaZulu-Natal, SOUTH AFRICA. Park Rynie - 25m
Date: 13 February 2000
Size: 65mm
Regards
Valda Fraser

iti04937@mweb.co.za

Fraser, V., 2000 (Feb 11) Chromodoris hamiltoni from South Africa. [Message in] Sea Slug Forum. Australian Museum, Sydney. Available from http://www.seaslugforum.net/find/1878

Dear Valda,
Although your animal has more white than blue in its colour pattern I am pretty sure it is
Chromodoris hamiltoni. As you can see that species varies in the number of black lines on its mantle and is one of a few species in which the black line can be replaced by a broader somewhat diffuse orange or brown line.

All I can say is keep an eye out for colour variation and collect some specimens. Compare with H. regina which you recently sent to the Forum. When I get a moment I will prepare a page on the Chromodoris quadricolor Colour Group so it will be easier to compare all these similarly coloured black-lined species.

Best wishes,
Bill Rudman.

Rudman, W.B., 2000 (Feb 11). Comment on Chromodoris hamiltoni from South Africa by Valda Fraser. [Message in] Sea Slug Forum. Australian Museum, Sydney. Available from http://www.seaslugforum.net/find/1878

Factsheet

Chromodoris hamiltoni

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