Re: Cuthona viridis from Massachusetts

June 22, 2002
From: Dave Behrens

Dear Bill:
I do not see any mention of Cuthona viridis in the North Pacific in the Forum's discussions. C. viridis is a common component of the nudibranch fauna in the British Columbia area. Millen (1989) reported it from Ketchikan Alaska to Galiano Island, British Columbia. The range of this species is extended south to Bremerton, Washington (Andy Lamb, pers. comm.). Roginskaya (2000) reports that C. viridis is the most common nudibranch in the intertidal zone of the Murman coast of the Barents Sea, in summer. Roginskaya also gives a detailed account of this species reproductive biology and development.

• Millen, S. V. 1989. Opisthobranch range extension in Alaska with the first records of Cuthona viridis (Forbes, 1840) from the Pacific. The Veliger, 32(1): 64-68.
• Roginskaya, I.S. 2000. Notes on Trinchesia viridis (Forbes, 1840) and its veligers. Opisthobranch Newsletter, 26(3): 13.


Behrens, D., 2002 (Jun 22) Re: Cuthona viridis from Massachusetts. [Message in] Sea Slug Forum. Australian Museum, Sydney. Available from

Thanks Dave,
Perhaps Marli can keep a look out for it in British Columbia for us.
Bill Rudman


Cuthona viridis

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