Sea Turtle with CoralSea turtles breathe air but are deep divers and can remain submerged for hours. They even sleep underwater. Most sea turtles spend their entire life at sea, only returning to nesting beaches to lay eggs. Sea turtles possess unique physical features that allow them to move gracefully and swiftly through the ocean. Unlike other turtles, they are unable to tuck their flippers and head into their shells. However, their streamlined shells and large paddle