Aquatic Animals

Fish Pain Evidence and Policy Implications

Scientific evidence for pain in fish has strengthened considerably, with policy implications for fisheries, aquaculture, and recreational angling worldwide.

Key Facts

Fish have nociceptors and the neural apparatus for processing pain signals
Behavioural responses including wound guarding and avoidance learning are consistent with pain
The UK Animal Welfare Act 2006 includes fish within its protections
The 2021 London School of Economics report concluded strong evidence for fish sentience
Pre-slaughter stunning of farmed fish is required in some but not all jurisdictions

Welfare Considerations

The evidence that fish experience pain is now sufficient to warrant serious welfare consideration in all contexts including commercial fisheries, aquaculture slaughter, and recreational fishing. Policy has lagged behind science in most jurisdictions. Applying the precautionary principle means improving fish welfare in all commercial contexts even while scientific debate continues, because the potential for widespread suffering is substantial.

What You Can Do

Support pre-slaughter stunning requirements for farmed fish
Advocate for fish welfare considerations in fisheries management
Use barbless hooks and wet hands when handling fish for catch-and-release
Support research into fish welfare and sentience
Engage with policy consultations on fish welfare regulation in your country