The family Salmonidae is host to such groups as salmon, trout, chars and graylings as well as the coho salmon (also referred to as the Silver Salmon). This species is found in the North Pacific from Russia and Japan to Alaska and south to parts of California. Able to live in freshwater and marine this species travels up freshwater systems to spawn every year. Coho may grow up to 40 inches and weigh up to 33 pounds. They are sought after by fishermen and help to support an important Pacific fishery.