The Spiny Seastar (Astropecten vappa) has a widespread distribution around the Australian coast and is known to occur in temperate and tropical waters. This Seastar belongs to the family Astropectinidae. The body of this species varies from a pale dusky colour to brown on the upper surface with cream colouration below. This species can often be found in sandy/silty estuaries and often remains buried in the substrate during the day and merges at night to feed. It is known to feed on small bivalve molluscs.
The Spiny Seastar (Astropecten vappa) has an arm span of approximately 25cm.