Third-party aquaculture certification schemes vary significantly in their welfare requirements, and understanding what certifications actually cover helps consumers and retailers make meaningful choices.
Aquaculture certification is valuable but requires informed interpretation. The ASC, the most prominent global standard, has historically been stronger on environmental metrics — feed sourcing, habitat impact, chemical use — than on fish welfare per se, though recent revisions have expanded welfare content. BAP certification provides some welfare coverage but the standards are less prescriptive than environmental certifications. For seafood buyers seeking welfare assurance specifically, the Certified Humane expansion into aquaculture represents the most welfare-focused third-party standard. The Aquatic Life Institute provides detailed analysis of certification schemes from a welfare perspective and works to strengthen standards across the industry. No certification guarantees optimal welfare — it guarantees minimum standards are met and independently audited, which is meaningful but imperfect. For particularly welfare-sensitive species like salmon, asking specifically about stocking density and slaughter method supplements certification alone.