Doris odhneri feeding

July 11, 2007
From: Jan Kocian

Hello Bill.
Since you are always looking for slug's feeding, I am enclosing couple pictures of Doris odhneri making a dent into a patch of encrusting sponge Haliclona.

Locality: Jetty, 18 feet, Washington, USA, Puget Sound, NE Pacific Ocean, 15 January 2007, rocks. Length: 40 mm. Photographer: Jan Kocian.

Jan Kocian

Kocian, J., 2007 (Jul 11) Doris odhneri feeding. [Message in] Sea Slug Forum. Australian Museum, Sydney. Available from

Dear Jan,
There is no ambiguity in this observation! It is definitely feeding. I would be grateful if anyone with a knowledge of the sponges of the area could confirm the identity of the sponge. It looks more like a species of Halichondria than a species of Haliclonato me

Gary McDonald & James Nybakken's extremely valuable compilation of feeding records [ List of the Worldwide Food Habits of Nudibranchs] suggests this species feeds on quite a variety of sponges but it would be nice to confirm some of the species it is said to feed on.

Best wishes,
Bill Rudman Rudman, W.B., 2007 (Jul 11). Comment on Doris odhneri feeding by Jan Kocian. [Message in] Sea Slug Forum. Australian Museum, Sydney. Available from


Archidoris odhneri

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