Phestilla melanobrachia from Thailand, with parasites

February 9, 2009
From: Marcel Tanke

Concerning message #13183:

Hi Bill,
From Thailand, another record of Phestilla melanobrachia with parasitic eggs on their back. The picture shows 4 animals, one separate plus 3 in a group. The separate and the most right one have eggs on their back.

Locality: Simalan Islands, 22 meter, Thailand, Ademan Sea, 27 January 2009. Length: 1 cm. Photographer: Reinhold Mueller

Best regards,
Marcel

marceltanke@cs.com

Tanke, M.A., 2009 (Feb 9) Phestilla melanobrachia from Thailand, with parasites. [Message in] Sea Slug Forum. Australian Museum, Sydney. Available from http://www.seaslugforum.net/find/22218

Dear Marcel,
I have included close-ups to show the egg masses more clearly. In the lower right photo we can also see where the Phestilla have been eating the coral colony. In the lower left corner of the photo we can see the bright white skeleton of the eaten part of the colony while at the upper right we can see a brown trunk-like part of the colony which is still covered by the brown living coral tissue which has not yet been scraped off by the Phestilla.

Best wishes,
Bill Rudman

Rudman, W.B., 2009 (Feb 9). Comment on Phestilla melanobrachia from Thailand, with parasites by Marcel Tanke. [Message in] Sea Slug Forum. Australian Museum, Sydney. Available from http://www.seaslugforum.net/find/22218

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