Pleurobranchus peroni from eastern Australia
December 7, 2006
From: Linda Mougeot
![](/images/m18898a.jpg)
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![](/images/m18898d.jpg)
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
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