Wild Salmon Atlantic Population Collapse

Atlantic salmon populations have collapsed dramatically, with welfare implications for surviving fish under intense environmental pressure.

Key Facts

Atlantic salmon populations have declined by 70% or more in most of their range over the past 25 years
Factors include marine survival decline, river habitat degradation and sea lice from fish farms
Salmon returning to heavily degraded rivers face gauntlets of obstacles including warm water, low flow and predators
Some rivers in Iceland, Norway and Canada still support relatively healthy populations

Welfare Considerations

Atlantic salmon attempting to reach spawning grounds in degraded rivers experience cumulative welfare harms — thermal stress, exhaustion at barriers, disease from sea lice, and physiological stress from a depleted body condition after the marine phase. Fish that fail to complete spawning migrations after exhausting journey attempts experience all of these stressors without the reproductive outcome. Restoring Atlantic salmon rivers requires addressing multiple stressors simultaneously.

What You Can Do

Support Atlantic Salmon Federation conservation programs
Advocate for river restoration and sea lice regulations in salmon farming areas
Choose seafood that does not compete with Atlantic salmon prey in the marine phase
Donate to wild salmon population monitoring and conservation organizations