Dendrodoris denisoni from New Zealand

December 12, 2002
From: Ian Simpson


Dear Bill,
Here is Dendrodoris denisoni from Poor Knights Islands, northeastern New Zealand, 8th November 2001; 10 metres.

In these photos the specimens appear slightly different to any you have on your website. I have also spotted, on one occasion only, D. denisoni at Bare Island in Sydney (5 Jan, 2002). I mention this because there do not appear to be many sightings this far south. As an aside, I have always found this species in 'shallow depths' of around 5-10 metres. Is this typical, and if so, is this because it's food source is only found in shallow depths?
Ian Simpson

barts computer@hotmail.com

Simpson, I., 2002 (Dec 12) Dendrodoris denisoni from New Zealand. [Message in] Sea Slug Forum. Australian Museum, Sydney. Available from http://www.seaslugforum.net/find/8602

Thanks Ian,
This is the common colour form in New Zealand. Most species of Dendrodoris seem to occur from the intertidal down to varying depths. I doubt if there are any good studies recording their distribution depth limits, and we still have much to learn about their food preferences, so I really can't answer your question about whether their food preferences restrict their depth distribution
best wishes
Bill Rudman

Rudman, W.B., 2002 (Dec 12). Comment on Dendrodoris denisoni from New Zealand by Ian Simpson. [Message in] Sea Slug Forum. Australian Museum, Sydney. Available from http://www.seaslugforum.net/find/8602

Factsheet

Dendrodoris denisoni

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