Not common in the Solitary Islands Marine Park. Recorded from the tropical Western Pacific region, also Indonesia and Hawaii. In Australia recorded from Queensland and northern New South Wales.
Frequents reef areas and known to feed on sponges.
Pale cream colour with reticulated purple pattern, orange rhinophores and gills, with whitish tips. Purple edge on mantle and foot. Specimen photographed in intertidal rock pool, approximately 40 mm long.
Gary Cobb, David Mullins, Nudibranchs Encyclopedia, 2nd Edition, 2015. Publishers Thomas Slone, Masalai Press and Tim Hochgrebe, Underwater Australasia. p.152.
Australian Museum, Sea Slug Forum. http://www.seaslugforum.net/find/hypswhit. Accessed 12/08/18.