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FishWise
Sockeye Salmon

Trout & Salmon

Sockeye Salmon

Oncorhynchus nerka

BothSalmonidaeVaries by population; some are listed as endangered or threatened, while others are stable.

About

Sockeye salmon are anadromous fish, meaning they are born in freshwater, migrate to the ocean to grow, and return to freshwater to spawn. During their spawning migration, their bodies turn bright red, and males develop a humped back and hooked jaws.

Average size
23-33 inches, 5-15 lbs
Colors
Ocean phase: Silver with a dark blue back. Spawning phase: Bright red body with a green head (males).
Diet
Ocean phase: Zooplankton, small fish, and crustaceans. Freshwater phase: Primarily do not feed during spawning migration, relying on stored energy reserves.
Region
Primarily Alaska and the Pacific Northwest (Washington, Oregon, Idaho). Some populations exist in California.