Nudibranchs - Sunshine Coast etc. / 4824e
All photos Copyright ©2003-2022 Gary Cobb and contributing photographers
Gary Cobb 0416 048 100
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Halgerda willeyi  Eliot, 1904
Location: Old Woman Island, Sunshine Coast, Mooloolaba, Queensland Australia
Size: 45 mm
Depth: 8 m
Temperature: 25 C
FAMILY: Discodorididae
white yellow black orange
Photograph by Gary Cobb and David Mullins - Copyright 2003-2022

Below: Note the differences between Halgerda willeyi top and H. sp. 3 bottom.

H. willeyi has black lines in-between all the raised ridges while H. sp. 3 has 'some' black lines between the ridges.
H. willeyi has a narrow black band in the centre of the rhinophores and a large white tip.