The only thing you need to do is to GENTLY brush your tongue daily, as bacteria can collect in the fissures, causing bad breath. I'm enclosing a link to the couple of lines wikipedia has about it, mainly so you can see the picture there.
Quick Answer. As of 2009, there are 270 species of turtles, and more are being discovered. Turtles have been on the Earth for 230 million years and predate dinosaurs. Turtles have developed multiple habitats and live anywhere except the Arctic and Antarctic. Continue Reading.
They are all part of the reptile family. There are more than 250 types of turtles-the smallest is the Mud Turtle, which grows to about 4 inches (10cm) long and the largest is the Leatherback, which grows to about 79 inches (200cm). The Green Sea Turtle's legs are shaped like flippers. Green sea turtles are found in the Pacific, Atlantic and Indian oceans.