Western Pacific, from Malaysia, Indonesia and the Philippines to Japan, Papua New Guinea and Australia.
Description
A large, fast-moving Chromodoris of the western Pacific, described in 1832 from West Papua as 'the most elegant Doris' the describers had seen. It is often seen crawling in the open on reefs.
White mantle border made up of a fine white edge, a broad orange band and an inner white band. Three black longitudinal stripes across the central back, often broken up. Rhinophores and gill orange.
Similar species
Chromodoris quadricolor (Red Sea and western Indian Ocean) has a similar black-line pattern but blue-white rather than white areas between the lines; C. dianae and C. willani have narrower or bluish markings and lack the broad orange band.