Halgerda batangas from Raja Ampat, Indoneisa

April 5, 2007
From: Erwin Kodiat

Hi Bill,
Found this in Raja Ampat Islands, however I am confused whether this one is Halgerda batangas, Halgerda malesso or Halgerda carlsoni.

Locality: Raja Ampat Islands, 20 metres, Indonesia, Pacific Sea, 18 February 2007, Coral reef. Length: 30 mm. Photographer: Erwin Kodiat.

Can you help me ID this?
Thanks
Erwin Kodiat

nudibranch@kapalselam.org

Kodiat, E., 2007 (Apr 5) Halgerda batangas from Raja Ampat, Indoneisa. [Message in] Sea Slug Forum. Australian Museum, Sydney. Available from http://www.seaslugforum.net/find/19588

Dear Erwin,

I am pretty sure this is H. batangas, although the orange lines on the tubercles are arranged in parallel lines rather than as a network. Halgerda malesso is similar in colour but has submarginal orange lines around the mantle edge and H. carlsoni has spots rather than lines.

Best wishes,
Bill Rudman

Rudman, W.B., 2007 (Apr 5). Comment on Halgerda batangas from Raja Ampat, Indoneisa by Erwin Kodiat. [Message in] Sea Slug Forum. Australian Museum, Sydney. Available from http://www.seaslugforum.net/find/19588

Factsheet

Halgerda batangas

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