Fish Welfare in Recreational Fishing: Catch and Release Ethics

Catch and release fishing is widely practiced but raises important welfare questions. Evidence on fish pain and stress informs better practices for anglers who choose to fish.

Key Facts

Fish have nociceptors (pain receptors) and show behavioural and physiological responses to injury
A 2003 study demonstrated trout rubbed their lips on the tank floor after painful injection - suggesting pain behaviour
Catch and release can cause injuries from hooks, scale loss, and exhaustion
Post-release mortality varies from near-zero to over 50% depending on species and handling
Barbless hooks reduce injury and improve survival rates
Fighting a fish to exhaustion on very light tackle for sport is the most welfare-concerning practice

Welfare Considerations

Catch and release fishing welfare depends enormously on how fish are handled before release. Fish left on dry surfaces lose protective mucus and suffer scale damage. Over-exhausted fish cannot maintain gill ventilation and may die hours after release despite appearing to swim away. Keeping fish in the water, using barbless hooks, and minimising fight time dramatically improves survival and reduces welfare harm. The science on fish pain, while still debated, provides sufficient evidence of the capacity for suffering to justify precautionary welfare improvements in angling practice.

What You Can Do

Always use barbless hooks to reduce fish injury during catch and release
Keep fish in the water during unhooking and never place on dry surfaces
Minimise fight time and use appropriate tackle weight for the target species
Wet hands before handling fish to protect their mucus coat
Support BAA (British Angling Association) welfare guidelines for responsible fishing