Re: Gastropteron rubrum from the Bahamas

January 20, 2004
From: Andrej Jaklin

Dear Bill,
Concerning Anne Dupont's message from the Bahamas: Based only on pictures and personal experiences, my 'feeling' is that those animals are not the same species as we have here in the Mediterranean. I have some pictures of Gastropteron rubrum the Adriatic Sea and two of them, which I attach, show differences: colour of body and borders, size of parapodia, body proportions (tail, siphon). Maybe all mentioned differences are not so significant, but who knows?
Best regards,
AJ

jaklin@cim.irb.hr

Jaklin, A., 2004 (Jan 20) Re: Gastropteron rubrum from the Bahamas. [Message in] Sea Slug Forum. Australian Museum, Sydney. Available from http://www.seaslugforum.net/find/11952

Thanks Andrej,
Your 'feelings' are quite correct. The Caribbean animal, although previously identified as G. rubrum, was shown to be a separate species, G. chacmol by Terry Gosliner (1989).

I am pleased to see some more photos of true G. rubrum. I have included a close-up of the simple siphon. It is also interesting to see by comparing your photos with others on the Forum, that the colour around the border ranges from yellow in some animals to white in others.
Best wishes
Bill Rudman

Rudman, W.B., 2004 (Jan 20). Comment on Re: Gastropteron rubrum from the Bahamas by Andrej Jaklin. [Message in] Sea Slug Forum. Australian Museum, Sydney. Available from http://www.seaslugforum.net/find/11952

Factsheet

Gastropteron rubrum

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