Re: Elysia? from the Mediterranean

April 10, 2001
From: Kathe R. Jensen

Dear Bill & Erwin,

Maybe this one will not stay on the unidentified page for too long. To me it looks like Elysia gordanae Thompson & Jaklin, 1988. This species was described as pale yellow-green with a dark green line and white "pustules" (thickened spots) along the parapodial margins. It is also said to have pink pigment on rhinophores and pericardium, but this is usually difficult to photograph - with the flash going off, it looks whitish - as in this photo. If you have kept it in an aquarium maybe you have had a chance to see its egg mass, which has white eggs and orange extra-capsular yolk. I would like to have my ID confirmed by someone from around the Mediterranean.

Reference: Thompson, T.E. & Jaklin, A. (1988) Eastern Mediterranean Opisthobranchia: Elysiidae (Sacoglossa = Ascoglossa). Journal of Molluscan Studies 54: 59-69.


Jensen, K.R., 2001 (Apr 10) Re: Elysia? from the Mediterranean. [Message in] Sea Slug Forum. Australian Museum, Sydney. Available from

Thanks Kathe,
It's nice to have one move so quickly from the 'unidentified' file. Lucas has sent the same response as you.
Bill Rudman


Elysia gordanae

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