Re: Elysia crispata and algal genes
May 5, 2003
From: Kathe R. Jensen
Note added 30 May 2006: This may also refer to Elysia clarki, a new species which was previously considered a colour form of E. crispata
Dear Bill & Skip,
I am sitting in the middle of my moving mess (this time I only moved about 100m to a larger apartment - where supposedly I will not have to keep books in boxes on the floor, though that is exactly what I do have all around me), and then this interesting conversation pops up. I will be very interested in hearing Skip's results about the feeding of Elysia crispata. I have actually observed the juveniles (hatched from egg masses in the lab) feed on Caulerpa verticillata, so I know that they can feed on this alga and grow. I have never seen an adult E. crispata feed on anything, and in most cases they didn't grow in our tanks - they were just there for months, spawning and looking healthy - and maybe feeding after the lights were off at night.
I would like to know if the presence of fucoxanthin implies that it feeds on brown algae, because this has been implied for the very similar E. (Tridachiella) diomedea [= Tridachiella diomedea], but never confirmed.
Greetings,
Kathe
krjensen@zmuc.ku.dk
Jensen, K.R., 2003 (May 5) Re: Elysia crispata and algal genes. [Message in] Sea Slug Forum. Australian Museum, Sydney. Available from http://www.seaslugforum.net/find/9857Thanks Kathe,
I'm glad to see you haven't let a domestic crisis interfere with a good slug story
Bill Rudman
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