Thorunna daniellae ? from Bali, Indonesia
January 3, 2007
From: Lindsay Warren
Dear Bill
Another addition I thought you might like for locality records for different species - It appears to be a form of Thorunna daniellae from Bali, Indonesia.
Locality: West of Scuba Seraya, Tukad Dabu, 26 ft / 7.8 m, NE Bali, Indonesia, Tropical Western Pacific, 9 May 2006 at 09:05, In open on silty slope near low growing reef. Length: 17 mm. Photographer: Lindsay Warren.
All the best
Lindsay
lwarren@datonomy.co.uk
Warren, L.C.R., 2007 (Jan 3) Thorunna daniellae ? from Bali, Indonesia. [Message in] Sea Slug Forum. Australian Museum, Sydney. Available from http://www.seaslugforum.net/find/19051Dear Lindsay,
Thanks for this. It certainly looks generally like T. daniellae but the orange mark at the anterior end of the mantle is most unusual, although there are a couple of other photos on the Forum showing such an orange mark in this species. Interestingly there are other species which are characterised by such an orange mark, such as Thorunna florens. It's possible this animal is a specimen of T. florens without the orange lines. If so it makes me wonder whether T. daniellae is just the other extreme of a very variable species. Thorunna montrouzieri and T. purpuropedis can also have this anterior orange mark.
Best wishes,
Bill Rudman
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