A blue sea star, Linkia laevigata, clings to a healthy coral reef in Raja Ampat, Indonesia.

alcyonacea animal animal themes animals in the wild anthozoa aquatic asteroidea beauty beauty in nature biodiversity biology blue blue starfish cnidaria colony color image coral coral reef coral triangle day echinoderm ecology ecosystem environment fragility gripping growth habitat hard coral horizontal indo pacific ocean indonesia invertebrate komodo national park linckia laevigata living organism majestic marine biology melanesia nature new guinea no people ocean oceania outdoors photography raja ampat reef reefscape science sea sea life sea stars seascape soft coral southeast asia starfish stony coral symbiosis symbiotic relationship tropical climate undersea underwater valvatida west papua wilderness wildlife zoology