Glossodoris hikuerensis from French Polynesia

June 9, 2006
From: Erwin Koehler

Concerning message  #16795:

Dear Bill,
Here is a shot of Glossodoris hikuerensis also from French Polynesia, this one looks the way it should look like, not like the one in my earlier message

Locality: Tahiti, unrecorded, French Polynesia, Pacific Ocean, unrecorded. Length: unrecorded. Photographer: Meketa Pihatarioe.

Regards
Erwin

Erwin@Philippine-Sea-Slugs.com

Koehler, E., 2006 (Jun 9) Glossodoris hikuerensis from French Polynesia. [Message in] Sea Slug Forum. Australian Museum, Sydney. Available from http://www.seaslugforum.net/find/16820

Dear Erwin,

I can't me 100% sure without dissecting your animal, but from my experience with this group of species I am pretty sure the one in your earlier message, with the narrow dark line, is also a colour form of G. hikuerensis. If you look at the other messages about this species you can see a gradation in colour forms from ones with a broad submarginal colour band on the mantle to animals with a narrow submarginal colour band - the narrower the band the more intense the colour. The actual colour varies from green, as in your photos, to brown.

The similarly coloured G. cincta  also has a range of colour. Before I looked at its anatomy I was pretty sure there were two or three species, but I could find no 'measurable' differences and so concluded there were perhaps three geographical colour forms. As more material has come available on the Forum these geographical groupings have become blurred.

Best wishes,
Bill Rudman

Rudman, W.B., 2006 (Jun 9). Comment on Glossodoris hikuerensis from French Polynesia by Erwin Koehler. [Message in] Sea Slug Forum. Australian Museum, Sydney. Available from http://www.seaslugforum.net/find/16820

Factsheet

Glossodoris hikuerensis

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