Thuridilla gracilis? from the Great Barrier Reef

March 28, 2007
From: Erik Schlögl

Dear Bill,

This seems to me to be another one of the many colour variations of Thuridilla gracilis - though it doesn't match any existing image in the Forum, so I can't be sure.

Locality: "URG Bommie", Great Barrier Reef off Port Douglas, 18 meters, Queensland, Australia, Pacific Ocean, 17 November 2006. Length: 8 mm. Photographer: Erik Schlögl.

Best regards,
Erik Schlögl

Erik.Schlogl@uts.edu.au

Schlögl, E., 2007 (Mar 28) Thuridilla gracilis? from the Great Barrier Reef. [Message in] Sea Slug Forum. Australian Museum, Sydney. Available from http://www.seaslugforum.net/find/19765

Dear Erik,
As you will have noted from my earlier comments on T. gracilis and T. splendens, I am not entirely convinced we have the story straight on these animals. I would tend to place your animal with Thuridilla splendens, but the only way to sort out just how many species there are will be to get more specimens and a better idea of variability in colour patterns. As Clay Carlson has pointed out [message #3077], it may be useful to record the colour pattern of the inside of the parapodia as well - something not usually photographed or recorded.

Best wishes,
Bill Rudman

Rudman, W.B., 2007 (Mar 28). Comment on Thuridilla gracilis? from the Great Barrier Reef by Erik Schlögl. [Message in] Sea Slug Forum. Australian Museum, Sydney. Available from http://www.seaslugforum.net/find/19765

Factsheet

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