also called blueback salmon , or red salmon North Pacific .... salmon upriv

also called blueback salmon , or red salmon North Pacific food fish of the family Salmonidae that weighs about 3 kg (6.6 pounds) and lacks distinct spots on the body. The sockeye can migrate more than 1,600 km (1,000 miles) upriver to spawn in lakes or tributary streams, the young remaining in fresh water for as long as three years. salmon upriv