Berthellina citrina from the Red Sea

August 14, 2007
From: Lior Harari

Hello,

I've been meaning to send you these pictures for quite a while, finally got to it. I believe this is a Berthellina citrina. It was found on a long metal pipe at 10 meters of depth. It was the first time (and so far the only time) I spotted one of these.

Locality: Dekel Beach, Eilat, 10 meter, Israel, Red Sea, 04 April 2007. Photographer: Lior Harari.

I have noticed some white spots as well as a few black ones on its body.
Do those serve any purpose?

Thanks,
Lior.

hararilior@yahoo.com

Harari, L., 2007 (Aug 14) Berthellina citrina from the Red Sea. [Message in] Sea Slug Forum. Australian Museum, Sydney. Available from http://www.seaslugforum.net/find/20160

Thanks Lior,

Yes this is what we call Berthellina citrina, but as I've mentioned elsewhere, there is some talk that there is more than one orange-yellow species in the Indo-West Pacific but we will have to wait until some anatomical studies are complete and published.

The white spots are glandular. See the Defensive glands Fact Sheet for a photo of the white acid glands found in pleurobranchs.

Best wishes,
Bill Rudman

Rudman, W.B., 2007 (Aug 14). Comment on Berthellina citrina from the Red Sea by Lior Harari. [Message in] Sea Slug Forum. Australian Museum, Sydney. Available from http://www.seaslugforum.net/find/20160

Factsheet

Berthellina citrina

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