Pleurobranchus peroni from eastern Australia

December 7, 2006
From: Linda Mougeot

Hi Bill,

While exploring the rocks pools of Bateau Bay, New South Wales I came across a specimen of sea slug(?) that I have not been able to identify in any of my guides. I was wondering if you could shed some light on what species this may be? 

Locality: Bateau Bay , NSW, Australia, South Pacific Ocean, 25 November 2006, Less than 20 cm in tidal rock pool. Length: 8 cm. Photographer: Linda Mougeot.

Kind Regards,
Linda

ornithforensic16@hotmail.com

Mougeot, L., 2006 (Dec 7) Pleurobranchus peroni from eastern Australia. [Message in] Sea Slug Forum. Australian Museum, Sydney. Available from http://www.seaslugforum.net/find/18898

Dear Linda,
This is Pleurobranchus peroni known in some places as the polygon slug because of the way the edge of the tubercles are often outlined in a darker colour to give a pattern of polygons over the back. You will see this better in some of the photos of other messages on this species. Pleurobranchs are commonly called side-gilled slugs because they have one large gill on the right side of the body under the mantle skirt.

Best wishes,
Bill Rudman

Rudman, W.B., 2006 (Dec 7). Comment on Pleurobranchus peroni from eastern Australia by Linda Mougeot. [Message in] Sea Slug Forum. Australian Museum, Sydney. Available from http://www.seaslugforum.net/find/18898

Factsheet

Pleurobranchus peroni

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