Re: Update on Elysia crispata feeding

May 6, 2005
From: Colin Finney

Dr Jensen [message #13696] may be over-extending Ms Holm's results [message #13687]. Suggesting that Elysia crispata feed on Caulerpa verticilliata based on Ms Holm's results is problematic for two reasons.

1) The numbers are fairly small but two out of the five controls in Ms Holm's experiments survived the full course of the experiment. One out of five E. crispata in the container with C. verticilliata survived. So starved E. crispata survived better than those given access to C. verticilliata.

2) Ms Holm's C. verticilliata culture may also have contained amphipods which were probably the source of the faecal pellets. At the time she pointed out the faecal pellets to me I established another culture of E. crispata and C. verticillata without amphipods and there was no indication of faecal pellets in this culture.

Colin Finney
University of the Virgin Islands

cfinney@uvi.edu

Finney, C.M., 2005 (May 6) Re: Update on Elysia crispata feeding. [Message in] Sea Slug Forum. Australian Museum, Sydney. Available from http://www.seaslugforum.net/find/13716

Dear Colin,
Thanks for the clarification
Bill Rudman

Factsheet

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