Re: Elysia on Caulerpa taxifolia

August 7, 2003
From: Kathe R. Jensen

Dear Bill & Baki,
Thanks for the wonderful pictures of Elysia feeding on Caulerpa prolifera. I think the spacing of the piercings is made by the animal shifting its head from side to side as it moves forwards, so the insertions are made in a zig-zag pattern. I hope that Baki can confirm this by observations in the lab.

I have been hesitant about identifying these animals with E. tomentosa because some years ago I received specimens from India, which showed some minor - but consistent - differences. But in retrospect I think that there may be one very widespread species establishing local "ecotype" populations where food is plentiful. This is one of the cases where molecular studies might help us make a decission.

I am posting a picture of E. tomentosa from the Abrolhos Islands in a separate message.

Best wishes,
Kathe

krjensen@zmuc.ku.dk

Jensen, K.R., 2003 (Aug 7) Re: Elysia on Caulerpa taxifolia. [Message in] Sea Slug Forum. Australian Museum, Sydney. Available from http://www.seaslugforum.net/find/10658

Thanks Kathe,
Bill Rudman

Rudman, W.B., 2003 (Aug 7). Comment on Re: Elysia on Caulerpa taxifolia by Kathe R. Jensen. [Message in] Sea Slug Forum. Australian Museum, Sydney. Available from http://www.seaslugforum.net/find/10658

Factsheet

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