Glossodoris at Fly Point
January 7, 1998
From: David & Leanne Atkinson
Bill,
We found these at Fly Point, Port Stephens, New South Wales over Christmas. The first is a nudi that looks like a Glossodoris atromarginata but has a red frill where the other has black. Gills and rhinophores are black in both cases. Is this a colour variation?
Thanks,
David & Leanne Atkinson.
atkin@hunterlink.net.au
Atkinson, D. & L., 1998 (Jan 7) Glossodoris at Fly Point. [Message in] Sea Slug Forum. Australian Museum, Sydney. Available from http://www.seaslugforum.net/find/62This is Glossodoris angasi which does indeed look like Glossodoris atromarginata and has been mistaken for it since 1864 when George Angas published his account on nudibranchs from Sydney Harbour. I named this species after Angas. The internal anatomy of these species is quite different but externally their colour is very similar. Glossodoris angasi has a much softer body than G. atromarginata, the edge of the mantle is less folded, and the colour band ranges from reddish brown to a light pink. In G. atromarginata the colour border is black...Bill Rudman
Rudman, W.B., 1998 (Jan 7). Comment on Glossodoris at Fly Point by David & Leanne Atkinson. [Message in] Sea Slug Forum. Australian Museum, Sydney. Available from http://www.seaslugforum.net/find/62Related messages
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