A warty sea star, Echinaster callosus, clings to a coral reef in Raja Ampat, Indonesia.

animal animals in the wild anthozoa aquatic banded bubble sea star banded bubble starfish beaded sea star beaded starfish cnidaria color image coral coral triangle day echinaster echinaster callosus echinoderm ecology full length horizontal indonesia invertebrate lumpy starfish marine biology misool nature no people nodular sea star nodular starfish one animal outdoors photography raja ampat reef sea life sea stars seabed southeast asia starfish symbiotic relationship undersea underwater waigeo warty sea stars warty starfish west papua wildlife