Cuthona ornata from Japan

November 14, 2003
From: Yukari Sato

Hello Dr.Rudman,
I have found this animal at Zushi, Japan.
I think this is Cuthona ornata. I am happy if you have any comment.

Upper Photo:
Date: 4 May 2003
Depth: 15m
Size: approx.15-20mm.
Location: Zushi(near Hayama), Sagami Bay, Japan
Lower Photo:
Date: 3 Aug 2003
Depth: 22m
Size: approx.8mm.
Location: Zushi(near Hayama), Sagami Bay, Japan

A small animal, 5mm long alive, was seen at the same locality on 8 June 2003. Depth: 15m

Best regards,
Yukari Sato

Dear Yukari,
Yes I agree that this is Cuthona ornata. It is good to see some photos showing the extent of the colour variation in the species
Best wishes
Bill Rudman

Rudman, W.B., 2003 (Nov 14). Comment on Cuthona ornata from Japan by Yukari Sato. [Message in] Sea Slug Forum. Australian Museum, Sydney. Available from


Cuthona ornata

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