Different Types of Fish
There are thousands of different fish, but the famous ones are Tuna Salmon, Sardines, Cod, Carp, Pirahna, and a few that aren't strictly fish, such as Sharks, Whales, Dolphins and many many more. Some that are getting eaten are Tuna, Salmon, Cod and Sardines. The oldest fish in the world is the Coelacanth, which was around when dinosaurs still roamed this world.