Catch and Release Fishing Welfare: Harm Reduction

Catch and release fishing is widely practiced as a conservation measure but fish welfare depends critically on handling technique, hook type, and time out of water, which can be improved significantly.

Key Facts

Catch and release fishing has become the dominant practice in many recreational fisheries for conservation reasons
Fish experience stress responses to capture including cortisol elevation and metabolic disruption lasting hours
Barotrauma from rapid pressure changes affects fish caught from deep water causing gas bladder expansion
Time out of water is one of the most damaging factors with mortality increasing significantly beyond 30 seconds
Barbless hooks facilitate faster release and reduce injury risk compared to barbed hooks
Wet hands or nets reduce scale and mucus damage compared to dry handling
Deep hooking into the gullet causes significantly higher mortality than lip hooking in most species

Welfare Considerations

The welfare impact of catch and release fishing ranges from minimal with best practice technique to severe injury and delayed mortality with poor technique. Fish are sentient animals that experience pain and stress from hooking, struggling, and handling. The assumption that fish released alive suffer no welfare harm is scientifically inaccurate. However, the harm can be substantially reduced through barbless hooks, minimal air exposure, wet handling, and avoiding deep-hooked fish retention. Anglers who adopt best practice technique can substantially reduce the welfare impact of their activity while maintaining the enjoyment and conservation goals of catch and release fishing.

What You Can Do

Use barbless or circle hooks to facilitate fast release and reduce injury
Keep fish in the water as much as possible and limit air exposure to under 30 seconds
Use wet hands or a knotless wet net when handling fish and avoid squeezing
Cut the line close to the hook on deeply hooked fish rather than attempting forcible removal
Release fish in sheltered areas with adequate oxygen and allow them to recover before releasing
Learn species-specific best practice guidelines from angling welfare resources
Support regulations requiring best-practice handling in catch and release fisheries