Chromodoris tumulifera from northern Gulf of Thailand

April 22, 2010
From: Vie Panyarachun

Dear Dr. Rudman,

A friend of a friend spotted these chromodorids recently. Are they Chromodoris tumulifera? I have never seen these in my area (northern Gulf of Thailand) before and thought that it might be of interest.

Locality: Man Nai Island [Ko Man Nai], 5 metres, Rayong, Thailand, Gulf of Thailand, 10 April 2010, muddy, under pier. Photographer: Thirachat Chandrangarm.

Thank you.


Thanks Vie,

It is always good to get records from your part of the world. Yes this is C. tumulifera. If your frined has higher resolution photos which show the sponge they are apparently feeding on I would be interested in seeing them

Best wishes,
Bill Rudman

Rudman, W.B., 2010 (Apr 22). Comment on Chromodoris tumulifera from northern Gulf of Thailand by Vie Panyarachun. [Message in] Sea Slug Forum. Australian Museum, Sydney. Available from

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