Aquaculture certification schemes vary enormously in the welfare standards they require, making consumer navigation of eco-labels complex and often misleading.
Aquaculture certification presents a transparency problem for welfare-conscious consumers: the labels that signal environmental responsibility do not reliably signal animal welfare responsibility. A certified sustainable salmon product may be produced at stocking densities and with slaughter methods that cause significant welfare harm, while meeting every certification requirement for environmental standards. This gap exists because aquaculture certification was developed primarily to address environmental concerns, and fish welfare science has advanced significantly since most major schemes were designed. Updating schemes to include meaningful welfare provisions requires industry acceptance, scientific consensus on welfare standards, and auditing capacity for welfare outcomes. Progress is happening but slowly, and consumers lack the tools to distinguish between genuinely high-welfare aquaculture products and products that carry environmental but not welfare assurance.