Dendrodoris tuberculosa from the Solomon Ids

March 26, 2004
From: Bruce Potter

Last night I dived a site on the outskirts of Honiara. this is a coral and rubble and sand site.
At about 16 meters I came across this beautiful Dendrodoris tuberculosa. It was about 80mm long. I remember a comment that you made previously about this critter having white spots underneath it's body, so I subjected it to the indignity of being turned over and sure enough there were large white spots underneath. It was crawling across the sand when I found it.
Bruce Potter.

Potter, B., 2004 (Mar 26) Dendrodoris tuberculosa from the Solomon Ids. [Message in] Sea Slug Forum. Australian Museum, Sydney. Available from

Thanks Bruce,
My first thought on seeing the photo was about the colour of the underside of the mantle. I assure you the slight indignity it suffered was all in the cause of science. Usually this species is a dull and cryptically coloured. The multi-coloured animal in your photo is similar to one in an earlier message of yours [#2946] and also to one from Sulawesi [#2539]. It is easy to suggest mimicry and camouflage, but difficult to prove. However, perhaps this is a form attempting to mimic a softcoral colony?
Best wishes
Bill Rudman

Rudman, W.B., 2004 (Mar 26). Comment on Dendrodoris tuberculosa from the Solomon Ids by Bruce Potter. [Message in] Sea Slug Forum. Australian Museum, Sydney. Available from

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