Ferocious Sharks Author:Tom Jackson Finding out about the world's fiercest hunters has never been so much fun. Learn about the biggest and most dangerous fish on the planet. Some sharks are mighty killers that could track your blood from more than a mile away. Others are gentle giants that are bigger than a bus. Do you want to know more? — Did you know? — - A great white shark u... more »ses 30,000 teeth in its lifetime.
- Bull sharks attack hippos in rivers far from the ocean.
- A basking shark weighs as much as an elephant.
- There is a mysterious deep-water shark called megamouth!« less