Shrimp are farmed in volumes exceeding any other aquatic animal, yet their welfare needs receive minimal regulatory attention due to ongoing uncertainty about their sentience.
The scale of shrimp farming and the biological uncertainty about shrimp sentience create a difficult welfare calculus. Current evidence suggests shrimp have nociception and show behaviors consistent with pain avoidance, though the neural architecture for conscious suffering remains contested. Given this uncertainty and the enormous scale of production, the precautionary principle argues for minimum welfare standards including reduced stocking density, elimination of eyestalk ablation, and humane slaughter methods where technically feasible. The Shrimp Welfare Project and related organizations are actively developing practical intervention frameworks for this scale of production.