Adult Green Turtle Gracefully Swimming Above The Coral Reefs On Clear Shallow Waters - Medium Shot

marine turtle green turtle seaturtle turtle reefs sea floor underwater aquatic seabed vertebrates coral habitat swimming wildlife shell dive chelonia ecosystem swim environment adult endangered national geographic fauna shallow nat geo species marine waters slow amphibian nature animals biology clear reptile green creature medium shot scenery carnivores living gracefully above carnivorous motion wild coldblooded behavior