Cuthona viridis? from Japan.
July 24, 2007
From: Yasuhiro Shamoto
![](/images/m20159a.jpg)
Hello, Dr. Rudman
I have found this animal at Echizen coast, Fukui Pref., Japan.
I think this is Cuthona viridis. I would be grateful for any comment.
Locality: Echizen-coast, Fukui-Pref, 5 m, Japan, Japan Sea, 27 April 2007, on the stone. Length: approx 10 mm. Photographer: Yasuhiro Shamoto.
Yours sincerely
Yasuhiro Shamoto
yasunao515@cyber.ocn.ne.jp
Yasuhiro Shamoto, 2007 (Jul 24) Cuthona viridis? from Japan.. [Message in] Sea Slug Forum. Australian Museum, Sydney. Available from http://www.seaslugforum.net/find/20159![](/images/m20159d.jpg)
Dear Yasu,
This certainly looks like Cuthona viridis and it has been reported from the northern Pacific as well as the nthn Atlantic. There is still some confusion concerning a number of species with green cerata, including Cuthona scintillans Miller 1977, Cuthona viridis Forbes 1840, Cuthona signifera Baba 1961 and Cuthona albocrusta MacFarland 1966.
I think you are probably right to call this C. viridis but I suspect there is still some work to be done with this group.
Best wishes,
Bill Rudman
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