Arms 5, rounded not narrowly pointed at the ends. Disc and arm surface spines are knob-like, frequently in a zig-zag series along the top of the arm. Colour variable, including red to brown to orange to cream, spines sometimes purple. Centre to arm tip up to 12 cm.
The colour pattern of this sea star is sometimes similar to the introduced Northern Pacific Sea Star, but the introduced species has pointed arms and pointed spines.
Rock and sandy areas, under rocks and in the open, to depth of 143 m.
Native to Australia
- DSE Advisory List : Not listed
- EPBC Act 1999 : Not listed
- IUCN Red List : Not listed