All sharks are endangered because fisherman keep killing them and cutting off thier fins. They cut off the fins and then sell them for hundreds of dollars. Here are some examples of endangered sharks. The Great White Shark is the most deadly shark of all. The Hammer head shark kives in the tropicaland temperate seas. The whale shark eats planktin and crull, they use filter feaders(filter feaders are like little strips of bone that strain the planktin) and they're the largest shark and fish In the world.