Cuthona viridis from NE Atlantic

June 21, 2002
From: Bernard Picton

Hi Bill,
Here are a couple of scans of Cuthona viridis to accompany Paul Young's and Alan Shepard's photos from Massachusetts.

UPPER: - Faeroe Islands - July 1980 - a well-marked individual
LOWER: - Sound of Mull, Scotland - April 1977

In my experience Cuthona viridis is much commoner in the northern part of the British Isles where it usually feeds on the hydroid Sertularella rugosa, but it does feed on other species of Sertularella as well.


Picton, B. , 2002 (Jun 21) Cuthona viridis from NE Atlantic. [Message in] Sea Slug Forum. Australian Museum, Sydney. Available from

Thanks Bernard,
Bill Rudman


Cuthona viridis

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