Re: Original description Elysia japonica
March 28, 2002
From: Kathe R. Jensen
Dear Bill,
I thought I had said this before, but when I checked my earlier message it was not there: Besides the black tips of rhinophores and tail I also used the distinct constriction of the pericardial hump and the parallel posterior vessels lining a band apparently with no digestive gland tubules to identify my Hong Kong specimens with Elysia japonica. Baba did not mention these characters in his descriptions of E. amakusana and E. abei, but the radular teeth of these two species seem identical, and also identical to my Hong Kong specimens.
Greetings,
Kathe
jensen@ait.ac.th
Jensen, K.R., 2002 (Mar 28) Re: Original description Elysia japonica. [Message in] Sea Slug Forum. Australian Museum, Sydney. Available from http://www.seaslugforum.net/find/6591Thanks Kathe,
Your mention of the constriction in the pericardial hump etc to add some weight to your suggestion that this animal could be Elysia japonica. I guess we have to see if anyone can find a specimen of it in Japan, and find out whether either of the other potential candididates for the name, E. amakusana and E. abei, have a constriction on the pericardial hump and similar dorsal vessels.
Inadequate descriptions are a pain,
Bill Rudman
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