Shrimp farming produces over 4 million tonnes annually and involves billions of animals with significant capacity for suffering. Welfare conditions in intensive shrimp aquaculture are among the least regulated in food production.
Farmed shrimp welfare represents one of the most significant and least addressed animal welfare issues in global food production. The scale is staggering: billions of individual animals are produced annually under conditions that would draw immediate regulatory attention if applied to vertebrates. The welfare science has advanced significantly: shrimp show behavioral evidence of pain experience including avoidance learning, wound guarding, and physiological stress responses. The policy environment is beginning to catch up — the UK government extension of sentience legislation to decapods in 2022 was a landmark — but food production regulation lags far behind welfare science. In intensive pond aquaculture, shrimp experience chronically suboptimal water quality, extreme crowding, disease pressure, rough handling during harvesting, and slaughter without any welfare consideration. The Shrimp Welfare Project is working to develop and disseminate practical, economically viable welfare improvements for shrimp producers, starting with water quality, stocking density, and slaughter methods.