Body bulbous, covered with short thorny spines including on the radial shields, arms spines long and serrated. Papillae restricted to the apex of the jaw. Colour pink with darker red patterning on the disc and arms. Disc up to 1 cm wide, arm up to 5 cm long.
This species releases eggs and sperm into the water from March to June, which become larvae with eight arms. These later settle and metamorphose into the adult five-armed brittle star. It is the most common brittle star on the continental shelf in Bass Strait.
Under rocks, in crevices, usually associated with sponges, to depth of 180 m.
Native to Australia
- DSE Advisory List : Not listed
- EPBC Act 1999 : Not listed
- IUCN Red List : Not listed