Colour variations of Elysia crispata from Guadeloupe [1]

November 21, 2007
From: Hugues Flodrops


Dear Bill,
Here are some pictures from my recent travel in Guadeloupe. I found more than ten specimens of Elysia crispata from the same area "Ilot Gosier".
Here are some photos of one specimen. I have sent similar photos of a second specimen in a second message [#21160].

Locality: Ilot Gosier, 1 metre, Guadeloupe Island, Mer des Antilles, 7 and 10 November 2007. Length: 30 - 35 mm. Photographer: Hugues Flodrops.

Thanks for your forum, once again.
Best regards.
Hugues.

hugues.flodrops@wanadoo.fr

Flodrops,H., 2007 (Nov 21) Colour variations of Elysia crispata from Guadeloupe [1]. [Message in] Sea Slug Forum. Australian Museum, Sydney. Available from http://www.seaslugforum.net/find/21159

Dear Hugues,

Thanks for these photos. The easiest external characters to separate E. crispata and E. clarki are the lack of green chloroplasts in the sole of the foot in E. crispata and the fusing of the front end of the parapodia in that species. In your middle photo the parapodia seem to be fused, and in the lower photo the sole of the foot lacks green chloroplasts. A third character of E. crispata is that the parapodia have extensive secondary and tertiary folding along the edge. Although this is more difficult to quantify, I would say that your animal definitely fits into the E. crispatarange.

Best wishes,
Bill Rudman

Rudman, W.B., 2007 (Nov 21). Comment on Colour variations of Elysia crispata from Guadeloupe [1] by Hugues Flodrops. [Message in] Sea Slug Forum. Australian Museum, Sydney. Available from http://www.seaslugforum.net/find/21159

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