Phestilla melanobrachia with parasites

February 21, 2005
From: Roberto Sozzani

Dear Bill,
Your words "Although the name melanobrachia refers to the black form of this species...", in the message #13097, gave me the right hint to identify this specimen I photographed few years ago. There is a smaller one in the background. Both had many parasites.

Locality: Rinja Island, Indonesia. Depth: 12 metres. Length: 25 mm. June 2003. healthy coral reef. Photographer: Roberto Sozzani

Best wishes
Roberto Sozzani
www.robertosozzani.it

roberto.sozzani@fastwebnet.it

Sozzani, R., 2005 (Feb 21) Phestilla melanobrachia with parasites. [Message in] Sea Slug Forum. Australian Museum, Sydney. Available from http://www.seaslugforum.net/find/13183

Dear Roberto,
I'm glad my message triggered a memory. You'll notice in the black form the tips of the rhinophores, oral tentacles and cerata are yellow-orange, just like in the orange colour form. These animals are definitely heavily infested with some crustacean parasite, the pinkish curly structures being their egg masses.
Best wishes,
Bill Rudman

Rudman, W.B., 2005 (Feb 21). Comment on Phestilla melanobrachia with parasites by Roberto Sozzani. [Message in] Sea Slug Forum. Australian Museum, Sydney. Available from http://www.seaslugforum.net/find/13183

Factsheet

Phestilla melanobrachia

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