Shrimp Welfare Science: The Largest Volume Animal in Global Aquaculture

Shrimp are produced in greater numbers than any other farmed animal. Despite this scale, their welfare is among the least studied and least regulated. Improving shrimp welfare requires both scientific research and industry engagement.

Key Facts

Global farmed shrimp production exceeds 5 million tonnes annually -- one of the largest animal farming industries
Wild shrimp trawl fisheries cause enormous bycatch, killing up to 10 kg of other animals per kg of shrimp
Eyestalk ablation -- removing a shrimps eyestalk to accelerate reproduction -- is standard industry practice
Stocking densities in intensive shrimp ponds are extremely high, limiting movement and increasing disease risk
Early mortality syndrome has devastated shrimp farming in Asia, reflecting the disease-prone conditions of intensive production
The Shrimp Welfare Project focuses specifically on improving conditions for the billions of shrimp produced annually
Evidence for shrimp sentience is more limited than for decapod crustaceans like crabs and lobsters but precautionary concern applies

Welfare Considerations

Shrimp welfare represents the largest volume animal welfare issue that receives the least attention. Trillions of shrimp are farmed annually in conditions that likely cause suffering through crowding, poor water quality, and practices like eyestalk ablation that would be clearly prohibited if applied to vertebrates. The precautionary case for improving shrimp welfare is strong: even if the probability of significant sentience is modest, the scale means the expected welfare value of improvement is enormous. Consumer and corporate pressure on shrimp supply chains can drive faster welfare improvement than waiting for regulatory mandates.

What You Can Do

Support the Shrimp Welfare Project which focuses exclusively on improving conditions for farmed shrimp
Choose shrimp certified to welfare standards that prohibit eyestalk ablation and set density limits
Advocate for shrimp welfare to be included in seafood sustainability certification schemes
Engage with retailers and food companies about including shrimp welfare standards in their sourcing policies
Support scientific research into shrimp sentience and pain experience to build the evidence base for reform