Hypselodoris saintvincentius from Sth Australia

March 9, 2005
From: Carl Mooney

Hi Bill,
I'm pretty sure this is another variety of Ceratosoma amoena found in the temperate waters of South Australia. If you can please let me know approximately how many variations in colour there are it would be much appreciated.

Locality: Pt Stanvac, South Australia, Gulf St Vincent. Depth: 12 metres. Length: 25-30 mm 26 February 2005. debris, rocks, sand. Photographer: Carl Mooney

This site is invaluable for nudibranch enthusiasts, but I was wondering if you could recommend a good book on the subject for species in and around Southern Australia.

Regards,
Carl

selenite@bigpond.net.au

Mooney, C.H., 2005 (Mar 9) Hypselodoris saintvincentius from Sth Australia. [Message in] Sea Slug Forum. Australian Museum, Sydney. Available from http://www.seaslugforum.net/find/13300

Dear Carl,
It certainly in general shape looks like Ceratosoma amoena and they are both in the family Chromodorididae, but this is Hypselodoris saintvincentius, a species restricted to south and south-western Australia.

Concerning books on South Australian sea slugs. Have a look at the Book Review Section. The book by Fred Wells & Clay Bryce - Sea Slugs of Western Australia, and Neville Coleman's 1001 Nudibranchs - Catalogue of Indo-Pacific Sea Slugs cover some of the fauna you will encounter, but we still have quite a bit to learn about the fauna of that part of Australia. You have a mixture of local endemic species found nowhere else, another group found across all of temperate Australia, and a third group of tropical species which sometimes appear to hitch a ride as larvae, in warm water currents down the west Australian coast.
Best wishes,
Bill Rudman

Rudman, W.B., 2005 (Mar 9). Comment on Hypselodoris saintvincentius from Sth Australia by Carl Mooney. [Message in] Sea Slug Forum. Australian Museum, Sydney. Available from http://www.seaslugforum.net/find/13300

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