Glossodoris rubroannulata from nthn New South Wales

November 30, 2005
From: L. & D. Atkinson


Dear Bill,
After reading Rachel Murphy's message [#15353] about Glossodoris rubroannulata and your reply about their sightings being rare we thought you might like to add these photos from the Solitary Islands in Northern NSW.

Locality: No Name Mooring, North West Solitary Island, Northen NSW,  Australia. Depth: 5 metres. Length: 6 cm to 12 cm roughly. 13th September 2000. Coral Reef with sponges and algae. Photographer: Leanne & David Atkinson

There were three Glossodoris rubroannulata under an over hang in a shallow surgey piece of reef. They were difficult to photograph because of the upward angle and the surge. We weren't sure whether the largest one was competing with the Ceratosoma amoena for food or whether it was just a case of I'm crawling this way regardless of what's in my way. The Ceratosoma amoena was a regular size for that species so this photo gives a good size comparison. The rear shot shows a white tail edged with yellow and an inner red line. Your fact page sample photo appears to have a yellow tail. Have we made the right identification?
Regards,
Leanne & David Atkinson

atk@hunterlink.net.au

Atkinson, L. & D., 2005 (Nov 30) Glossodoris rubroannulata from nthn New South Wales. [Message in] Sea Slug Forum. Australian Museum, Sydney. Available from http://www.seaslugforum.net/find/15384

Dear Leanne & David,
Records are always welcome. It seems that the white oigmentation on the foot and sides of the body of this species can vary somewhat. If you look at David Power's animal from Sydney [message #13831] it appears to have the whole of the sides of the body/foot white rather than just a submarginal band at the edge. Your suggestion that the Ceratosoma amoena and the Glossodoris might be feeding on the same sponge, could well be so.
Best wishes,
Bill Rudman

Rudman, W.B., 2005 (Nov 30). Comment on Glossodoris rubroannulata from nthn New South Wales by L. & D. Atkinson. [Message in] Sea Slug Forum. Australian Museum, Sydney. Available from http://www.seaslugforum.net/find/15384

Factsheet

Glossodoris rubroannulata

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