For How Long Do Sharks Live?

Sharks are a group of elasmobranch fish characterized by a cartilaginous skeleton, five to seven gill slits on the sides of the head, and pectoral fins that are not fused to the head. Modern sharks are classified within the clade Selachimorpha and are the sister group to the rays.

Which shark is the biggest?

Sharks come in all sizes. The largest is the whale shark, which has been known to get as large as 18 meters (60 feet).

What do sharks eat?

Sharks are opportunistic feeders, but most sharks primarily feed on smaller fish and invertebrates. Some of the larger shark species prey on seals, sea lions, and other marine mammals. Sharks have been known to attack humans when they are confused or curious.