Hypselodoris bullocki from the Great Barrier Reef

March 15, 2007
From: Richard Ling

Dear Bill,

Attached is a photo of two nudibranchs taken during an exploratory dive on an unnamed bommie a short way north of Port Douglas. I've compared it with photos of Hypselodoris bullocki here and elsewhere and it looks like a match. Do you agree?

Locality: Port Douglas, about 15 metres, Queensland Australia, Great Barrier Reef, 12 August 2005, Inshore bommie. Photographer: Richard Ling.

Best regards
Richard Ling

richard@research.canon.com.au

Ling R B, 2007 (Mar 15) Hypselodoris bullocki from the Great Barrier Reef. [Message in] Sea Slug Forum. Australian Museum, Sydney. Available from http://www.seaslugforum.net/find/19608

Dear Richard,
Yes this is the 'typical' colour form of Hypselodoris bullocki. You will see there are a number of colour forms with this rather high, narrow, body. There is some debate over whether they are a group of related species or one species with a number of colour forms. I am always interested in photos of these animals feeding,as they are helping us to build up information on their natural history and to find out just how specific each species is when it comes to diet. Your photo clearly suggests that these two are busy feeding on a sponge, but as often happens, the sponges in your photo are obscured by both the slugs and overgrowths on the sponges.

Best wishes,
Bill Rudman

Rudman, W.B., 2007 (Mar 15). Comment on Hypselodoris bullocki from the Great Barrier Reef by Richard Ling. [Message in] Sea Slug Forum. Australian Museum, Sydney. Available from http://www.seaslugforum.net/find/19608

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Hypselodoris bullocki - Page 3

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