Gastropteron rubrum or G. meckeli

September 6, 2001
From: Juan Lucas Cervera

Dear Bill,
In Europe, the name Gastropteron rubrum (Rafinesque, 1814) is considered a junior synonym of G. meckeli Kosse, 1813. This is the only one known species of this genus in Europe. The photos that have been sent to the Sea Slug Forum shows animals quite different to that we can see at the Erwin Koehler Website (animals from Malta, Mediterranean). I'm not an expert in this genus. In fact, I've seen only once in southern Portugal and the specimens was a yellowinsh pink animal. Nevertheless, it seems that this species varies in colour, doesn't it?
Cheers,
Lucas.

lucas.cervera@uca.es

Cervera, J.L., 2001 (Sep 6) Gastropteron rubrum or G. meckeli. [Message in] Sea Slug Forum. Australian Museum, Sydney. Available from http://www.seaslugforum.net/find/5213

Dear Lucas,
My understanding is that this species is quite variable in colour - but that is only from reading the literature. Concerning its name, Erwin Koehler has made the same comment as you. I have posted my comments separately. I look forward to some replies from Europe.
Best wishes,
Bill Rudman

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