Certification schemes for farmed seafood vary enormously in their animal welfare requirements. Understanding what different labels mean helps consumers make more welfare-informed choices.
Aquaculture certification presents a confusing landscape for welfare-conscious consumers. The most widely recognised sustainability labels — ASC, MSC for wild fish — were primarily designed around environmental metrics and do not provide strong welfare guarantees. This matters because the welfare of farmed fish is genuine and significant: crowding, slaughter method, disease management, and handling all affect how much fish suffer. RSPCA Assured and equivalent dedicated welfare schemes come closest to meaningful welfare standards for aquaculture, with specific provisions based on fish welfare science. Consumers should be aware that "organic" does not automatically mean higher welfare for fish, though some organic standards include lower stocking densities. The trajectory is positive: welfare science for fish is advancing rapidly, and pressure from retailers and welfare organisations is beginning to drive welfare provisions into mainstream certification. Making welfare an explicit purchasing criterion — and communicating this to retailers — accelerates the market signal that drives scheme improvement.