Tropical Indo-West Pacific.
Koumac, New Caledonia, October, 1993.
Photo: Bill Rudman.
Eliot, C.N.E. (1904) On some nudibranchs from East Africa and Zanzibar. Part III. Dorididae Cryptobranchiatae, I. Proceedings of the Zoological Society of London, 1903(2): 354-385, Pls. 32-34.
Rudman, W.B. (1978) The dorid opisthobranch genera Halgerda and Sclerodoris from the Indo-West Pacific. Zoological Journal of the Linnean Society, 62: 59-88.
Rudman, W.B., 1998 (June 17) Halgerda willeyi Eliot, 1904. [In] Sea Slug Forum. Australian Museum, Sydney. Available from http://www.seaslugforum.net/factsheet/halgwill
Halgerda willeyi from Saudi Arabia
From: Gert Van Roey, July 22, 2008
Colour variations of Halgerda willeyi
From: Gary Cobb, September 8, 2007
Halgerda johnsonorum? at Pulau Aur, Malaysia
From: Yap Ting Wee, August 11, 2007
Halgerda willeyi from Iriomote Is., Japan
From: J.R. Pahlano Daud, April 5, 2007
Halgerda willeyi from the Kermadec Ids
From: Ian Skipworth, April 29, 2006
Halgerda willeyi ? from the Red Sea
From: Joseph De Vroe, December 2, 2005
Halgerda willeyi from Myanmar
From: Mary Jane Adams, March 26, 2003
Halgerda willeyi from Lord Howe Island
From: W.B. Rudman, January 29, 2003
Halgerda willeyi from Jervis Bay, eastern Australia
From: Allan Saben, November 22, 2002
Halgerda from the Philippines
From: Erwin Koehler, October 18, 2002
Re: Halgerda in temperate Australian waters?
From: Leander Wiseman, October 7, 2002
RE: Juvenile Halgerda sp. from Taiwan
From: Nishina Masayoshi, July 18, 2002
Halgerda iota? from Malaysia
From: Richard Houghton, July 12, 2002
Halgerda willeyi? mating with???
From: Erwin Koehler, May 2, 2002
Halgerda willeyi? from the Adriatic
From: Tom Turk, February 6, 2001
Halgerda willeyi? from Philippines
From: Fredy Brauchli, July 12, 2000
Halgerda willeyi from Taiwan
From: Bernard Picton , March 8, 2000
Halgerda willeyi from the Philippines
From: Bernard Picton, March 8, 2000
Halgerda willeyi from Mooloolaba?
From: Wayne Ellis, June 17, 1998