It is a species of anadromous fish in the salmon family.
It is the smallest and most common representative of the Pacific salmon genus. The average weight of a fish is 2.2 kg. The largest known fish reached a length of 76 cm at a weight of 7 kg. It spawns in July and early October, that is why it goes up rivers in June and August.
It is found in cold waters, preferring a temperature of 5.6-14.6 ° C with an optimum temperature of 10.1 ° C. The Fish lives in the coastal waters of the Pacific and Arctic Oceans, from the Sacramento River in Northern California to the Mackenzie River in Canada and from the Lena River in Siberia to Korea. It is a valuable commercial fish.