It has a short rostrum (point between the eyes) and has a colour pattern of longitudinal bands of green with a slight tinging of red.

It is concealed by day in dark rocky crevices that may be above the water. It is found in tidal pools on rocky shores.

Scavenges on dead plants and animals.

Photo Credit: Rod Morris. Photos can be purchased from https://www.rodmorris.co.nz/ Guide to Common Intertidal Species of the South Island, NZ: Scheil