A critical analysis of aquaculture certification schemes reveals significant welfare gaps that limit their effectiveness as tools for ensuring meaningful welfare improvements for farmed fish.
Aquaculture certification welfare gaps represent a critical failure point in market-based welfare improvement mechanisms. Consumers choosing certified products reasonably expect meaningful welfare standards but often receive environmental certifications with minimal animal welfare content. The science of fish sentience and welfare assessment has advanced substantially, but certification standards have not kept pace. Key gaps include slaughter welfare, comprehensive stocking density limits based on welfare evidence, and behavioral needs assessment. Reform of major certification schemes to incorporate evidence-based welfare standards across the full production cycle is urgently needed if they are to function as genuine welfare assurance tools rather than primarily environmental sustainability certifications.