Chum salmon are very silver with faint vertical stripes along their sides. The stripes are not as distinct as the ones you will see on striped bass, but you candefinitely see their stripes, which is different from any other salmon. They do not have distinct spots anywhere on their body. Chum salmon typically live for 4 years and they can grow fairly big. Many fish are caught over 10 pounds and the world record is over 30 pounds.