Chromodoris roboi from Reunion Island

December 28, 2004
From: Stefaan Dewulf

Dear Bill,
Please find enclosed some pictures we shot today [7 August 2004] of what be believe is Chromodoris roboi that was spotted during a night dive. Sorry for the pic quality, but it was shot during a night dive with strong swell not allowing us to get easy pictures.

As usual it was shot in Reunion Island (Indian Ocean), at the Cap Lahoussaye diving spot today (5-08-09). Depth was 11 m, water temperature approx 22°C.

It is the first time we spot this species on the island, though it has been spotted before by some other divers (it has been printed in the book Merveilles sous marines de la Réunion). I hope these information will help in defining the geographical location of this species. By the way, in one of our books, this nudi is referred as Hypselodoris is this a mistake ?
Best regards
Stefaan Dewulf.

Dewulf, S., 2004 (Dec 28) Chromodoris roboi from Reunion Island. [Message in] Sea Slug Forum. Australian Museum, Sydney. Available from

Thanks Stefaan,
Yes this is a valuable bit of information. With Valda Fraser's record [#1522] from South Africa, your find certainly shows this species occurs throughout the Indian Ocean. This is definitely a species of Chromodoris.  Although they are in the same Family, there are quite major anatomical differences between Chromodoris and Hypselodoris.
Best wishes,
Bill Rudman

Rudman, W.B., 2004 (Dec 28). Comment on Chromodoris roboi from Reunion Island by Stefaan Dewulf. [Message in] Sea Slug Forum. Australian Museum, Sydney. Available from


Chromodoris roboi

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