Bull sharks are found in all the world’s oceans–but anyone who thinks sharks only live in saltwater is mistaken. They are the only large sharks that can survive not only in the ocean but also in ...

Sharks are known to have incredible abilities, such as the Greenland shark that lives for hundreds of years. While most people think of sharks as sea dwellers, one species, the bull shark, ...

1. Introducing sharks, skates, rays, and chimaeras -- What are sharks and how are they classified -- How many kinds of sharks are there -- How did sharks get their name -- Where do shards live -- When ...