Halgerda brunneomaculata from the Coral Sea

August 12, 2006
From: Colin Gans

Hi Bill

Could you identify this nudibranch for me please.

Locality: Osprey Reef, 15m, QLD, Australia, Coral Sea, 05 June2005, coral reef. Photographer: Colin Gans.

Many thanks & regards,
Colin Gans

colin@gans.co.nz

Gans, C.L., 2006 (Aug 12) Halgerda brunneomaculata from the Coral Sea. [Message in] Sea Slug Forum. Australian Museum, Sydney. Available from http://www.seaslugforum.net/find/17396

Dear Colin,
This is a species of Halgerda. I am pretty sure it is Halgerda brunneomaculata, although in that species there is usually a thin yellow edge to each of the mantle ridges. However all the other external features seem to fit that species. It has similarities to H. maricola but the colour on the gills and rhinophores is quite different, and the edge of the foot and the mantle in that species is yellow.

Best wishes,
Bill Rudman

Rudman, W.B., 2006 (Aug 12). Comment on Halgerda brunneomaculata from the Coral Sea by Colin Gans. [Message in] Sea Slug Forum. Australian Museum, Sydney. Available from http://www.seaslugforum.net/find/17396

Factsheet

Halgerda brunneomaculata

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