Halgerda brunneomaculata from Rarotonga

July 1, 2006
From: Graham McDonald

Kia orana Bill,
Greetings from Rarotonga.
I found this nudbranch a while ago and can't find any reference to it.

Locality: Ngatangiia, 10 metres, Rarotonga, Cook Islands, South Pacific, 20 September 2002, Coral reef. Length: 10 mm approx. Photographer: Graham McDonald.

Thanks,
Graham

images@waterworx.co.ck

McDonald, G, 2006 (Jul 1) Halgerda brunneomaculata from Rarotonga. [Message in] Sea Slug Forum. Australian Museum, Sydney. Available from http://www.seaslugforum.net/find/17012

Dear Graham,
I am pretty sure this is Halgerda brunneomaculata. It normally has distinct yellow ridges forming a network over the mantle, like most species of Halgerda, but I suspect in a juvenile like yours the ridges are not yet well developed.

I just realised I didn't have a Fact Sheet for this species, so I have rectified that as well
Best wishes,
Bill Rudman

Rudman, W.B., 2006 (Jul 1). Comment on Halgerda brunneomaculata from Rarotonga by Graham McDonald. [Message in] Sea Slug Forum. Australian Museum, Sydney. Available from http://www.seaslugforum.net/find/17012

Factsheet

Halgerda brunneomaculata

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