Sockeye and Chinook are quite cold-water species, widely prevailing along the American coast. Chinook is the largest species of Pacific salmon, referred to by Americans as King salmon. All Pacific salmon spawn only once during their lifetime, perishing after spawning. This feature is distinctive from the Atlantic salmon, which spawn up to four times ( Rukhlov, 1982; Shuntov and Temnykh, 2005). Different salmon species spawn at different ages: chum enters the river on the third to fifth years of life; pink salmon, growing and developing faster than chum, returns 18 months after migration into the sea; Sockeye salmon spend from 1 to 5 years (average 2–3 years) in the sea; and Chinook salmon live from 1 to 6 years (average 3–4 years).