Coscinasterias muricata Lamarck 1816
eleven armed seastar
Coscinasterias muricata, eleven armed seastar

family Asteriidae

The eleven armed seastar, Coscinasterias muricata, may have between nine and fifteen arms, but usually has eleven It feeds on sea urchins and molluscs

Distribution =   southern Australia and NZ
Max size =   arm radius to 25cms