Cuthona pinnifera from Midway Is

July 16, 2002
From: Terry Gosliner

Dear Bill,
I am sending several images of Cuthona pinnifera from Midway Island in the Hawaiian Islands. I think the animals that you posted before are something different. They appear to have angular foot corners. Certainly the color is different, as well.

• Gosliner, T.M. (1979) The systematics of the Aeolidiacea (Nudibranchia: Mollusca) of the Hawaiian Islands, with descriptions of two new species. Pacific Science, 33(1): 37-77.

Terry

tgosline@calacademy.org

Thanks Terry,
I agree that Cuthona cf. pinnifera is not C. pinnifera. Shigeru's message with 'typical' animals from Japan, and your animals from Midway remove any doubts I might have had. I agree that the anterior foot corners of Cuthona cf. pinnifera are probably tentacular which would suggest it may be a glaucid of some sort. These semicircular plates on the rhinophores, while peculiar, are not unique to C. pinnifera.
Best wishes,
Bill Rudman

Rudman, W.B., 2002 (Jul 16). Comment on Cuthona pinnifera from Midway Is by Terry Gosliner. [Message in] Sea Slug Forum. Australian Museum, Sydney. Available from http://www.seaslugforum.net/find/6531

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Cuthona pinnifera

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