General Description

Body bulbous, covered with short thorny spines, arms spines long and serrated. 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 that become larvae with eight arms. These later settle and develop into the adult Five-armed Brittle Star. It is the most common brittle star on the continental shelf in Bass Strait. They often occur on sponges. It is not known exactly what they feed on.


Southern Australian coasts.


Under rocks, in crevices, on or near sponges, to depth of 180 m.

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