Starfish on dead coral, Koh Bon, Similan Islands, Thailand.

asteroidea asterozoa koh bon linckia sea star linckia laevigata ophidiasteridae similan islands southeast asia thailand valvatida aquatic blue blue linckia blue starfish color image coral day dead echinoderm filter feeders front view full length invertebrate no people one animal outdoors photography sea stars starfish undersea underwater vertebrate vertical