Re: Elysia crispata in Cozumel, Mexico

February 2, 2007
From: Jim Lyle

Concerning message #19367:

Dr. Rudman,

Here's another image of Elysia from Cozumel, Mexico.

Locality: Cozumel, 6 metres, Quitana Roo, Mexico, Caribbean, 11 August 2006, rock. Length: 10 mm. Photographer: Jim Lyle.

Jim Lyle.

jlyle@adelphia.net

Lyle, J.L., 2007 (Feb 2) Re: Elysia crispata in Cozumel, Mexico. [Message in] Sea Slug Forum. Australian Museum, Sydney. Available from http://www.seaslugforum.net/find/19377

Thanks Jim,

I guess this illustrates the difficulty of working just with photos. I have put a ring around what could be a gap - but it doesn't seem to be in the midline - so it could be a fold . What it does do is publicise the value, if possible, of doing a quick little field examination of these 'frilly' Elysia species. If the parapodia are split at the front and / or there are green patches showing through on the sole of the foot then you have E. clarki, and if the parapodia are fused at the front and the sole of the foot is translucent white with no green patching then you have E. crispata.

Best wishes,
Bill Rudman

Rudman, W.B., 2007 (Feb 2). Comment on Re: Elysia crispata in Cozumel, Mexico by Jim Lyle. [Message in] Sea Slug Forum. Australian Museum, Sydney. Available from http://www.seaslugforum.net/find/19377

Factsheet

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