Noumea haliclona from South Australia
February 14, 2005
From: Dennis Hutson
Dear Bill,
Could this please be identified.
Locality: Seacliff Beach, South Australia, Gulf St Vincent, Australia.Depth: 3.5 metres. Length: 5 mm.12 February 2005. Rocky Algal reef. Photographer: Dennis Hutson
Dennis Hutson
dghutson@ozemail.com.au
Hutscon, D.G., 2005 (Feb 14) Noumea haliclona from South Australia. [Message in] Sea Slug Forum. Australian Museum, Sydney. Available from http://www.seaslugforum.net/find/13148Dear Dennis,
This is interesting on two counts. Firstly, I think it is a juvenile of Noumea haliclona. This is interesting because although it is known from New South Wales, Victoria and Tasmania, this is the first record I know of it from South Australia. As you will see from the Fact Sheet, its colour matches one of the colour forms found in Tasmania.
The second interesting point is that its rhinophores are fused. Instead of being a pair, there is one large central rhinophore apparently in a single large pocket. This is obviously a result of some fault during its larval development. If you are interested, have a look at the Fact Sheet where I have listed other developmental abnormalities
Best wishes,
Bill Rudman
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