Re: Glossodoris rufomarginata feeding [3]
November 17, 2008
From: Scott Johnson
Concerning message #22046:
Hi Bill,
To complete (at least for now) the images of Glossodoris rufomarginata, here are three more shots from the Marshalls. e201-040107 is the largest specimen we've seen, measuring just over 50 mm. e201-040421-k01 is a bit deformed, with both rhinophores extending from the same pocket. e201-k04-070521 shows two quite different-looking specimens that were on the same chunk of sponge. All three photos with this post are of animals that rode the express train-chunks of their prey sponge ripped off the reef on the seaward side and rolled several hundred meters across to come to rest on the lagoon slope.
Locality: Kwajalein Atoll, 8-10m, Marshall Islands, Pacific, 4 September 2001, 21 April 2004, 21 May 2007, coral reef. Length: 20-50mm. Photographer: Scott and Jeanette Johnson.
There are a couple of additional photos on the Marshall Islands nudibranch site at http://www.underwaterkwaj.com/nudi/chromodorids/e201.htm.
Scott
uwkwaj@yahoo.com
Johnson, S., 2008 (Nov 17) Re: Glossodoris rufomarginata feeding [3]. [Message in] Sea Slug Forum. Australian Museum, Sydney. Available from http://www.seaslugforum.net/find/22048Dear Scott,
If we needed any further evidence of the sponge-nudibranch relationship, the mention on your excellent website that G. rufomarginata is only present when the sponge is present, is pretty good confimration.
Best wishes,
Bill Rudman
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