1. Shark skin is as rough as sandpaper.
2. Sharks have been around for over 400 million years so before dinosaurs.
3. Sharks have a sixth sense that humans don’t have. They can sense the electricity emitted by other animals.
4. There are over 500 species of shark.
5. Sharks don’t have bones. They are made of cartilage like rays and skates, and the outside of your ear.