Re: Japanese Elysia atroviridis with yellow spot

June 22, 2005
From: Kathe R. Jensen

Dear Bill and others,
Concerning the yellow-spotted Elysia [#14078 ]

I have been trying to find a slide of the Elysia atroviridis that I collected in Hong Kong in 1983 because I think that one specimen had the small yellow spot that is also seen in Leslie Chan's photo [message #4895]. However, I still haven't found it - and in any case, I think the picture was taken by Brian Darvell (I don't think I had a macro-lens at the time).

I am quite prepared to accept the synonymy. In fact, I suggested that possibility in the description of E. flavomacula. I would be really interested in seeing egg masses of E. atroviridis both from Japan and other places. The specimens I described as E. flavomacula were all immature, even at size 9mm (live).

Best wishes,
Kathe

krjensen@snm.ku.dk

Jensen, K.R., 2005 (Jun 22) Re: Japanese Elysia atroviridis with yellow spot. [Message in] Sea Slug Forum. Australian Museum, Sydney. Available from http://www.seaslugforum.net/find/14111

Thanks Kathe,
I agree that some egg masses would be useful. You mention that in the laboratory your E. flavomacula fed on Chaetomorpha antennina and probably Cladophoropsis sp. while E. atroviridis is reported to feed on Codium. Does this sound inconsistent to you or is it possible that juveniles feed on different algae, or that lab conditions had affected them?
Best wishes,
Bill Rudman

Rudman, W.B., 2005 (Jun 22). Comment on Re: Japanese Elysia atroviridis with yellow spot by Kathe R. Jensen. [Message in] Sea Slug Forum. Australian Museum, Sydney. Available from http://www.seaslugforum.net/find/14111

Factsheet

Elysia atroviridis

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