Colour variation in Glossodoris tomsmithi

November 21, 1999
From: Scott Johnson

Hi Bill,

Attached are several shots of Glossodoris tomsmithi. H142 series are all from Hawaii, while the E178 ones are from the
Marshall Islands. In the Hawaiian Islands, the species is relatively common in many areas and is quite common on the Kona coast the the big island of Hawaii. It is relatively rare in the Marshalls, where specimens tend to be larger with more numerous and more crowded dorsal white spots than their Hawaiian relatives. Another interesting and consistent color variation is on the rhinophores: brown in the Marshalls and blue-black in Hawaii.


Johnson, S., 1999 (Nov 21) Colour variation in Glossodoris tomsmithi. [Message in] Sea Slug Forum. Australian Museum, Sydney. Available from

Thanks Scott,
Can you give us some idea how big it grows? The only size indication I can find in the original description is your note on a Marshall Id animal being 22mm long, which matches Hawaiian specimens in your Hawaiian Nudibranchs.
Bill Rudman.

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