Goniodoris joubini found in sthrn Queensland
April 8, 2008
From: Gary Cobb
Hi Bill and everyone!
Here is another record from the Sunshine Coast. Goniodoris joubini yet again found at Old Woman Island. The in situ photo shows lots of possible food sources. Is one of them it?
Locality: Mooloolaba, Sunshine Coast, 12 m, Queensland, Australia, Pacific Ocean, 28 July 2007, Subtidal. Length: 9 mm. Photographer: Gary Cobb.
Cheers
Gary Cobb
gary@nudibranch.com.au
Cobb, G.C., 2008 (Apr 8) Goniodoris joubini found in sthrn Queensland. [Message in] Sea Slug Forum. Australian Museum, Sydney. Available from http://www.seaslugforum.net/find/20939Dear Gary,
When I first looked at your photo I thought it was crawling on a dead Porites coral, but on a closer look the textured white background is a bryozoan colony. Some species of Goniodoris seem to feed exclusively on ascidians but others, such as Goniodoris nodosa, are reported to feed on both ascidians and encrusting bryozoans. It would be worth keeping a look out for where you find Goniodoris joubini, because it is possible it is one of the species which feeds on bryozoans.
Best wishes,
Bill Rudman
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