Peltodoris fellowsi from Japan

January 30, 2001
From: Hideyuki Takasu

Dear Dr. Rudman

This animal is similar to Peltodoris fellowsi Kay & Young,1969. This animal is found sometimes in Hachijo Island in Japan. But that animal is endemic to Hawaii. Could you please identify this ?

Information about the photograph:
2 June,1996, Depth: 20m, Water temperature: 21 degrees centigrade

Hideyuki Takasu

Takasu, H. , 2001 (Jan 30) Peltodoris fellowsi from Japan. [Message in] Sea Slug Forum. Australian Museum, Sydney. Available from

Dear Hideyuki,
This is a very interesting find. I couldn't be totally sure until its anatomy was studied, but externally it certainly looks like Peltodoris fellowsi. As you say it has been considered an Hawaiian endemic until now, but your find suggests differently.

By coincidence we found the same species at Lifou during the Lifou 2000 expedition last November, suggesting that it has a wide distribution throughout the West Pacific.

Best wishes,
Bill Rudman

Rudman, W.B., 2001 (Jan 30). Comment on Peltodoris fellowsi from Japan by Hideyuki Takasu . [Message in] Sea Slug Forum. Australian Museum, Sydney. Available from

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