Nudibranch from Oak Park, Sydney

November 14, 2002
From: Janet Hall

Would you be able to help identify a nudibranch I saw while diving at the 2nd reef off Oak Park, Cronulla, [Sydney, Australia] last Sunday, 3rd November 2002. In only 5 metres on the edge of the reef. It was white with yellow dots, with an unbroken dark blue edge,with black rhinophores and cream coloured gills.
Thank you.
Janet Hall

Hall, J., 2002 (Nov 14) Nudibranch from Oak Park, Sydney. [Message in] Sea Slug Forum. Australian Museum, Sydney. Available from

Dear Janet,
It's very difficult to identify and animal with so little information and no photo. My best guess would be Chromodoris aureopurpurea, but I could be quite wrong. Have a look at Akos Lumnitzer's photo from Port Stephens.
Best wishes,
Bill Rudman

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