Re: Thecacera picta - Three's a crowd

December 16, 2000
From: Mary Jane Adams


Hi Bill,
To add to Bruce Potter's message, every time I have visited the Solomon Islands over the last decade I have seen at least one Thecacera picta on the shallow reef or coral rubble surrounding the wreck of the Ann. This divesite is near the south end of Sunlight Passage in the Russell Island Group. I came across a trio of them in Nov., 2000 at a depth of 13 meters (Upper Photo). When I first saw them, the slug on the right was crawling toward the happily copulating couple. I shot this picture just as the intruder interrupted the action. After failing to join in, the scorned third party crawled away in defeat. The only other place I have seen Thecacera picta was once in Papua New Guinea. It was at about 20 meters on a coral reef on the south side of New Britain Island in Feb., 1995 (Lower Photo)

I hope this information is useful.
Best regards,
Mary Jane

divepng@yahoo.com

Adams, M.J., 2000 (Dec 16) Re: Thecacera picta - Three's a crowd. [Message in] Sea Slug Forum. Australian Museum, Sydney. Available from http://www.seaslugforum.net/find/3377

Thanks Mary Jane,
Any information on these animals helps build a better understanding of ther distribution and biology.
Best wishes,
Bill Rudman.

Factsheet

Thecacera picta

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