King Salmon (Chinook) Life Cycle: From River to Ocean and Back
King Salmon Life Cycle
King Salmon, or Chinook salmon, are anadromous Pacific salmon: they begin life in freshwater, migrate to the ocean and later return to freshwater to spawn.
Freshwater Beginning
Eggs develop in gravel nests in suitable freshwater habitat. Juvenile Chinook spend a variable period in freshwater before migrating downstream.
Ocean Growth
In the marine phase, Chinook feed and grow for years. Their life-history timing varies among populations.
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Return Migration and Spawning
Mature adults return toward freshwater spawning areas. Pacific salmon die after spawning, returning marine-derived nutrients to river ecosystems.
Why Origin and Lot Matter for Seafood Buyers
Wild King Salmon availability varies with season, fisheries, regulations and landings. Our Fresh King Salmon may be sourced seasonally from Alaska or Washington; the current product listing and selected variant are the controlling source for the lot being sold.
Buying King Salmon
For cuts, flavor and product choices rather than biology, use our complete King Salmon Buying Guide.
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