Science Main Index
Sea turtles are native to all the world's ocean, except the Arctic Ocean. The largest sea turtles are seven feet in length and five feet in width, weighing up to 1300 pounds. Some sea turtles are believed to live to be 80 to 100 years old. Sea turtles spend much of their time under water, but must return to the surface to breathe air. All species of sea turtles are listed as threatened or endangered. Play the following videos to learn more about the sea turtle.