This species has so far only been found around the southern African coast from the Cape Peninsula to Port Elizabeth subtidally to at least 20 m. It is probably endemic.[1]
Description
The blue-speckled nudibranch is a large nudibranch with a frilly margin. The speckles can be almost continuous and in some specimens the animal is pink-speckled. The rhinophores are perfoliate and the gill rosette is large and blue-edged. It may reach a total length of 120 mm.[2]
Ecology
This species feeds on a yellow-brown sponge. The egg mass is a messy ribbon of several whorls.