Astropecten polyacanthus Muller & Troschel 1842
comb seastar
Astropecten polyacanthus, comb seastar

family Astropectinidae

he Comb Seastar, Astropecten polyacanthus, is usually a purplish brown colour on top and orange underneath. As it species name suggests it has many thorns.Astropecten polyacanthus can burrow into sandy bottoms. Rather than suckers it has pointed tube feet which are advantageous for digging.Comb Seastars are unusually agile and turn themselves over very quickly.Astropecten polyacanthus prey on gastropods and bivalves which are swallowed whole. They may also ingest stones and consume the oranisms which live on them.

Distribution =   widespread Indo-west pacific
Max size =   at least 15cms