Re: Trapania darvelli? from the Marshalls

March 13, 2008
From: Scott Johnson

Concerning message #6326:

Hi Bill,

I've been meaning to send these additional photos of what is now Trapania circinata. We found this second specimen last year and were able to get better photos of it. These new photos of an obviously healthier specimen show that both the anterior and extra branchial process are white with black spots. The middle right photo shows the reproductive system fairly clearly through the translucent white body wall.

Locality: Legan Island, Kwajalein Atoll, 30m, Marshall Islands, Pacific, 13 August 2007, Crawling on sand. Length: 17mm. Photographer: Scott and Jeanette Johnson.

Scott

uwkwaj@yahoo.com

Johnson, S., 2008 (Mar 13) Re: Trapania darvelli? from the Marshalls. [Message in] Sea Slug Forum. Australian Museum, Sydney. Available from http://www.seaslugforum.net/find/21448

Dear Scott,

Thanks for the rapid update. The original animal looked like it was rather sick in the photo and I must say I wasn't sure whether the black spots were just an indication that the extra-branchial processes had expanded almost to breaking point. This specimen shows they are apparently a valuable characteristic of the species. I will replace the old photo on the Fact Sheet with this more 'normal' view.

Best wishes,
Bill Rudman

Rudman, W.B., 2008 (Mar 13). Comment on Re: Trapania darvelli? from the Marshalls by Scott Johnson. [Message in] Sea Slug Forum. Australian Museum, Sydney. Available from http://www.seaslugforum.net/find/21448

Factsheet

Trapania circinata

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