crown of thorns starfish

acanthaster acidification ampat area biology building change climate colonies conservation coral corals crown decimate diverse diversity diving earth echinoderm ecology ecosystem edge else endangered environment evolution feeds fish grow habitat harbor harbors healthy indonesia indonesian lagoon life mangrove marine natural nature niche numbers ocean pacific planci raja reef region remote research scenery science sea seascape shallow snorkeler snorkeling species spiny starfish thorns tourism travel triangle tropical tropics underwater vacation water wayag western wild wilderness wildlife