Halgerda willeyi

Order : NUDIBRANCHIA
Suborder : EUCTENIDIACEA
Infraorder : DORIDACEA
Superfamily : DORIDOIDEA
Family : Discodorididae

DISTRIBUTION
Tropical Indo-West Pacific

Halgerda willeyi is characterized by several yellow ridges with a series of yellow and black lines between them. The body colour is translucent whitish.
Species in the genus Halgerda are usually differentiated by their colour patterns. At present it is difficult to determine whether Halgerda willeyi has a very variable colour pattern or whether there is a number of very similarly coloured species.