Aquatic Animals

Wild Trout and Catch-and-Release Welfare

Catch-and-release angling is widely considered more humane than killing fish but still imposes significant welfare costs.

Key Facts

Caught trout experience stress hormone spikes equivalent to severe injury
Air exposure of 30 seconds can cause mortality hours later
Barbless hooks reduce injury but do not eliminate hooking trauma
Water temperature above 20C greatly increases catch-and-release mortality

Welfare Considerations

Catch-and-release reduces killing but does not eliminate welfare harm. Handling stress, oxygen depletion from exhaustion, and hook injuries cause real suffering. Best practices including minimal air exposure, wet hands, and warm-water closures reduce but cannot eliminate these costs.

What You Can Do

Use barbless hooks to reduce tissue damage
Minimize air exposure to under 15 seconds when handling fish
Follow warm-water voluntary closures during summer months
Consider the welfare costs of repeated catch-and-release of the same fish