A close-up of the underside of the crown-of-thorns starfish (Acanthaster planci), United States of America, North America

abstract acanthaster acanthaster planci animal animal markings animal pattern animal patterns animal scale animal themes aquatic asteroidea awe background backgrounds beautiful beauty beauty in nature biological biology chordata close up color image colorful crown of thorns starfish danger dangerous deadly detail echinoderm echinodermata enlargement extreme close up fauna full frame hawaii horizontal invertebrate lethal macro magnification magnified marine biology multi colored multicolor no people ocean life one animal outdoors photography poisonous sea life sea stars seastar sharp species spiked spikes spiky spiny star fish starfish texture thorn threat toxic undersea underside underwater valvatida venom venomous wildlife zoology