Are Sharks Mammals or Fish? That is the question that is probably most typically asked when talking about sharks. Given that sharks give birth to pups, as well as a few varieties lay eggs, the typical agreement is that sharks .
Smallest shark - Most people think of a shark as a big violent predator with very sharp teeth ranging the sea in search of food. But in fact, there are over 400 different species of sharks. Did you know that sharks are some of the most amazing and most m