About Chromodoris cf geminus from Reunion Island
May 4, 2007
From: Philibert Bidgrain
Concerning message #19851:
Dear Bill,
Reunion Island seaslugs
Over the last 2 years I have seen 6 specimens of this species always on the rocky coast of Etang sale. The size is range from 20-25 mm [lower photo] to 80 mm [upper photo]. They present always the same pattern coloration and are really different from other species of Chromodoris found in our Island. (C. geminus for example)
Locality: Etang salé, Less than 1 m, Réunion Island, Indian ocean, Rocky coast. Length: 20 to 80 mm. Photographer: Philibert Bidgrain.
What's your opinion about this species? A new one?
Philibert Bidgrain
http://vieoceane.free.fr/runseaslug/indexslug.htm
pbidgrain@yahoo.fr
Bidgrain, P., 2007 (May 4) About Chromodoris cf geminus from Reunion Island. [Message in] Sea Slug Forum. Australian Museum, Sydney. Available from http://www.seaslugforum.net/find/19868Dear Philibert,
This is an interesting find and supplements Hugues Flodrops message [#19862 ] very well. Certainly the large animal looks very similar to the South African animals I have been calling Chromodoris cf geminus, but the smaller animal in the lower photo seems to link it to the animals I am identifying from Reunion as C. cavae. In particular look at the colour of the gills and the rhinophores. That would suggest that C. cf. geminus from South Africa is a particularly extreme variation because in that form the rhinophores are all purple and the gills are edged in purple. This may seem a much bigger degree of colour variation than we normally find in chromodorids, but if you look at the animals in your other two messages [#19869, #19870] and Marina Poddubetskaia's from Mauritius [#8271] they all seem to link together very well. I have discussed this all in a separate message [#19876 ]
Best wishes,
Bill Rudman
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