Detail of toxic Crown-of-thorns starfish (Acanthaster planci), spines, crown of thorns, Pacific, Great Barrier Reef, UNESCO World Heritage, Australia, Oceania

acanthaster planci animals in the wild animals animal assorted asteroidea australasia australian australia avas euphorbia background graphic background image backgrounds backgrounds background botany close up close ups close up colorful coloured colourful coral reefs coral reef coral sea cropped crown of thorns starfish deserted details detail view detail differences difference different differing diverse diversity dive site diving area diving locations diving location echinodermata echinoderms echinoderm empty euphorbia avasmontana euphorbiaceae euphorbia fauna full frame full frame great barrier reef habitat marine animals marine animal mountain milk bush multi colored multi coloured multicolored multi colored multi coloured multicoloured natural environments natural environment natural habitat nature nobody no one no people oceans ocean pacific ocean pacific partial view patterned patterns pattern plants plant poisonous prickly reefs reef sea star sea slender candelabra euphorbia spiky spiny spurges spurge starfishes starfish thorns thorny thorn toxic underwater photos underwater photo underwater worlds underwater world underwater under water unesco world heritage site unesco world natural heritage uninhabited varied variegated variety of variety various varying water animals water animal wild animals wild animal wildlife photography wildlife world natural heritage