Uncommon to rare within the Solitary Islands Marine Park. Recorded from Western Australia, the Great Barrier Reef, northern New South Wales including Lord Howe Island, with wider tropical Indo-Pacific distribution likely.
Frequents reef from intertidal areas to at least 25 m depth. Feeds on solitary ascidians.
Chocolate brown body with regular small orange or red spots, and fewer white ones. The rhinophores are situated on the sides of a conspicuous white cross shape patch. The gills are brown with a white patch around the base. Uncommon throughout its range, grows to at least 60 mm.
Gary Cobb, David Mullins, Nudibranchs Encyclopedia, 2nd Edition, 2015. Publishers Thomas Slone, Masalai Press and Tim Hochgrebe, Underwater Australasia. p.69.
Undersea Jewels, A colour guide to nudibranchs, Gary Cobb and Richard C Willan. Australian Biological Resources Study, Canberra, 2006. p.268.