Cuthona puellula from Hachijo Japan

July 18, 2002
From: Shouichi Kato

Dear Bill,
We have been able to see this animal at Hachijo Island, Japan, since this April, under rocks depth in 10m. Usually smaller than 10mm in size. I'm not sure but it looks like a kind of Cuthona.
Please advise.
Thanks and best regards,
S.Kato

regulus@edit.ne.jp

Kato, S., 2002 (Jul 18) Cuthona puellula from Hachijo Japan. [Message in] Sea Slug Forum. Australian Museum, Sydney. Available from http://www.seaslugforum.net/find/7493

Dear Shouichi,
I am pretty sure this is Cuthona puellula. Your photo looks very similar to the painting in Baba (1955). In the painting, some of the cerata have white longitudinal lines and the digestive gland is painted as a series of black dots, just as in your photo. The orange spot on each ceras is also a prominent feature of this species. I think I can see part of the orange V mark between the first group of cerata as well. I am curious about the shape of the rhinophores. Would you have a photo showing them more clearly. They should be smooth and tapering.
Best wishes,
Bill Rudman

Rudman, W.B., 2002 (Jul 18). Comment on Cuthona puellula from Hachijo Japan by Shouichi Kato. [Message in] Sea Slug Forum. Australian Museum, Sydney. Available from http://www.seaslugforum.net/find/7493

Factsheet

Cuthona puellula

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