Digidentis kulonba? from New South Wales, Australia
January 26, 2010
From: Kim Sebo
Dear Bill,
I found this nudibranch at a depth of 41 m, outside Jervis Bay, NSW. It appears to be Digidentis kulonba, but it is from somewhat further north than the reported range of this species of NW Tasmania/Victoria. Water temp was 17 C.
It appears to be uncommon; it is a rather conspicuous creature, and I have never seen it before in hundreds of dives in this area. It appeared all white, but I was unable to see or photograph the foot at all.
Locality: Point Perpendicular, Jervis Bay, 41 metres, NSW, Australia, Pacific Ocean, 29 November 2008, rock/reef. Length: ~40 mm. Photographer: Kim Sebo.
Regards,
Kim Sebo
kim@mso.anu.edu.au
Sebo, K.M., 2010 (Jan 26) Digidentis kulonba? from New South Wales, Australia. [Message in] Sea Slug Forum. Australian Museum, Sydney. Available from http://www.seaslugforum.net/find/23134
Dear Kim,
Certainly from external appearances, in particular its colour and the arrangement of the opaque white mantle glands around the edge of the mantle, this appears to be D. kulonba. We know little about many of these animals so it would not be unusual to find it living in New South Wales.
The pink substance it is sitting on appears to be a darwinellid sponge which is quite common in south eastern Australia. This is of interest beacuse at present we know nothing about what D. kulonba eats.
Best wishes,
Bill Rudman
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