Feeding habits of Nembrotha rosannulata

March 3, 2008
From: Leanne & David Atkinson


Dear Bill,

Here are some photos of the recently described Nembrotha rosannulata which Neville Coleman has called the Donut Nembrotha in 1001 Nudibranchs.  Nobody we've contacted about this species of Nembrotha seems to know much about them, except that they are commonly associated with Sigillina cyanea. We have also found them on Sigillina cyanea on a sandy substrate both times we have them.

Location: Little Wreck, Cabbage Tree Is. East of Port Stephens, NSW, Australia. Depth: 12 m Length: 10 cm. Date: 8 May 2004

Yours sincerely,
Leanne & David Atkinson

atk@hunterlink.net.au

Atkinson, L.& D., 2008 (Mar 3) Feeding habits of Nembrotha rosannulata. [Message in] Sea Slug Forum. Australian Museum, Sydney. Available from http://www.seaslugforum.net/find/12735

Dear Leanne & David

I think it is about 4 years ago that you sent me this message, which arrived just when the Forum went into forced hibernation for a time. By the time I had the Forum running again I thought this species was about to be named so I thought I might as well wait until it had a published name. It certainly has taken longer than I thought, but at last I can post your three messages with the name Nembrotha rosannulata.

From this and your other messages it seems that this species feeds exclusively on this dark bluish-black ascidian. I have other records of it feeeding on this same ascidian. This is a very distinctively coloured species of Nembrotha.

  • Pola, M., Cervera, J.L. and Gosliner, T.M. 2008. Revision of the Indo-Pacific genus Nembrotha (Nudibranchia: Dorididae: Polyceridae), with description of two new species. Scientia Marina 72(1): 145-183.

Best wishes
Bill Rudman

Rudman, W.B., 2008 (Mar 3). Comment on Feeding habits of Nembrotha rosannulata by Leanne & David Atkinson. [Message in] Sea Slug Forum. Australian Museum, Sydney. Available from http://www.seaslugforum.net/find/12735

Factsheet

Nembrotha rosannulata

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