Hammerheads live in oceans around the world. They swim in warm water along the coastlines. Hammerheads are slim, fast-swimming sharks. They have a thick broad head which is wide and flattened. It almost looks like a hammer. Its first dorsal fin on the top is very large and pointed. Its head helps it swim better. They eat other animals. Hammerheads feed on bony fish, sharks, end especially stingrays that they can find in the sand.