Wildlife

Wild Salmon Pacific Population Collapse

Pacific salmon populations on the West Coast of North America have collapsed to historically low levels, with cascading welfare effects on individual fish and the ecosystems they support.

Key Facts

Sacramento River winter-run Chinook salmon are functionally endangered with recent returns below 5,000 adults
Salmon support over 137 other species including bears, eagles, and riparian vegetation through nutrient cycling
Climate warming is reducing cold-water habitat and shifting ocean prey availability for returning salmon
Dam removal on the Klamath River in 2024 opened 400 miles of salmon habitat for the first time in a century

Welfare Considerations

Individual salmon in declining populations face intensified competition for limited cold-water refuges, increased predation pressure, and reduced body condition affecting reproductive success. The welfare of billions of individual fish is tied to population health. Restoring salmon runs through dam removal and habitat improvement delivers welfare benefits to individual fish alongside ecosystem restoration.

What You Can Do

Support dam removal and fish passage projects in salmon river systems
Advocate for cold-water habitat protection as a climate adaptation priority for salmon welfare
Choose salmon from certified sustainable fisheries or avoid wild-caught salmon from depleted populations
Donate to salmon restoration organizations working on habitat recovery and population monitoring
Engage with the political process around salmon restoration in your watershed region