Elysia from American Samoa

April 3, 2001
From: Don Barclay

Hi Bill,
In an effort to clear up a few common but questionable species from American Samoa, I will probably be trickling some photos your direction over the next couple of months. I am leaving Samoa mid-year, so I won't have an extremely long time to tie up the loose ends.

Here is a fairly common Elysia species, collected intertidally on the afternoon of 30 March 2001, on the reef flat at Faga'alu, Tutuila Island, American Samoa. It measured around 35mm. Is this Elysia ornata? If so, then I will have to hit a different population of what I've been calling E. ornata and see what you think about the differences. The animals in that population have the submarginal orange band, and the rhinophores are mottled green with orange near the tips.

This one was fairly cooperative during the photography session, and I even got him to smile for the camera once...

Cheers,
Don

n5ols@samoatelco.com

Barclay, D., 2001 (Apr 3) Elysia from American Samoa. [Message in] Sea Slug Forum. Australian Museum, Sydney. Available from http://www.seaslugforum.net/find/4100

Dear Don,
Any information from Samoa is welcome. Even things which you consider to be common are of interest as there are very few records of sea slugs from Samoa.

It will be interesting to see what comments we get about this Elysia. I am not sure if it is Elysia ornata but I suppose it could be a very dark colour variety, without any orange. It would be good to see some photos of the other population you mention, with the more typical orange markings.
Best wishes,
Bill Rudman

Rudman, W.B., 2001 (Apr 3). Comment on Elysia from American Samoa by Don Barclay. [Message in] Sea Slug Forum. Australian Museum, Sydney. Available from http://www.seaslugforum.net/find/4100

Factsheet

Elysia ornata

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