Stiliger aureomarginatus from Sydney, NSW

May 9, 2005
From: R. Fea & J. Coombs

Dear Dr Rudman,
Here is another nudibranch from Bare Island which we've been unable to identify. It was seen as part of a family group sheltering on a large sponge - the biggest of the group was about 10 mm. 

Locality: Bare Island, Botany Bay, Sydney, Australia. Depth: 6 m. Length: 5 mm - 10 mm. 04 February 2005. Photographer: Roxanne Fea

Many thanks -

Roxanne Fea and Jason Coombs

roxannef@mgnsw.org.au

Fea, R.I. & Coombs, J., 2005 (May 9) Stiliger aureomarginatus from Sydney, NSW. [Message in] Sea Slug Forum. Australian Museum, Sydney. Available from http://www.seaslugforum.net/find/13736

Dear Roxanne & Jason,
Although as colourful as a nudibranch, this is a sacoglossan sea slug. As such it is a herbivore. It is most probable that the green 'sponge' you found it and others on, is a species of green alga, perhaps a species of Codium, on which it feeds. It is Stiliger aureomarginatus.
Best wishes,
Bill Rudman

Rudman, W.B., 2005 (May 9). Comment on Stiliger aureomarginatus from Sydney, NSW by R. Fea & J. Coombs. [Message in] Sea Slug Forum. Australian Museum, Sydney. Available from http://www.seaslugforum.net/find/13736

Factsheet

Stiliger aureomarginatus

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