Shrimp farming produces over 5 million tonnes annually with almost no welfare regulation, despite growing evidence of shrimp sentience and capacity for suffering.
Shrimp welfare sits at one of the most challenging frontiers of applied animal ethics. The scale is enormous by any measure, yet meaningful welfare protections are almost entirely absent. The scientific case for shrimp sentience remains contested but increasingly credible: studies have documented protective pain responses, nociceptor systems, and behavioural evidence of suffering in crustaceans. The precautionary principle applied to this evidence suggests that current practices involving eyestalk ablation, extreme crowding, and unstunned slaughter should be urgently reformed. The challenge is that shrimp are small, aquatic, and cognitively remote from human experience, making welfare advocacy difficult. Organisations focused specifically on crustacean welfare are beginning to develop practical welfare standards, but industry adoption remains nascent.