This nudibranch looks like it was turned up to full saturation. A rich yellow-green body is scattered with electric blue patches and streaks, while the blue becomes even more intense around the rhinophores, oral veil and gills. The body itself has a slightly wrinkled, almost crumpled texture, which makes the smooth flashes of blue stand out even more. It is a remarkable combination of colors for a temperate-water animal, especially when it appears against the darker greens and browns of its reef habitat.
Size: Up to around 130 mm, though 70–90 mm is more typical
Range: Southern Australia, Tasmania and New Zealand
Habitat / Depth: Rocky reefs, pier structures and sponge or bryozoan gardens, around 4–40 m, most common at 8–15 m
Diet: Primarily the branching bryozoan Viriditula Dentata