Sharks

Sharks are Fish that are predators of the sea, near the top of the food chain. There are more than 465 know species of sharks living in our oceans today. Sharks belong to a spceics of fish who's bones are made out of cartilage. Cartilage is a flexible like matirial. They breath through slits on there body called gills. they have 5 to 7 gills on each side of there body.