Farmed Pangasius Catfish Welfare

Pangasius (basa/swai catfish) is one of the most widely traded farmed fish globally, produced intensively in Mekong Delta systems with variable welfare standards.

Key Facts

Pangasius (Pangasianodon hypophthalmus) production exceeds 1.5 million tonnes annually, primarily exported from Vietnam.
Pangasius are air-breathing catfish that access atmospheric oxygen at the surface — stocking density affects both welfare and oxygen management.
Mekong Delta production uses river cage and pond systems at high densities, with antibiotic use historically above recommended levels.
ASC certification for pangasius includes some environmental standards but limited specific individual welfare requirements.
Pangasius show avoidance responses to noxious stimuli and possess the nociceptors and neurological structures associated with pain in other fish.

Welfare Considerations

Pangasius welfare reflects the challenges of high-volume, low-margin aquaculture production with limited welfare oversight. Fish are produced in densities that create chronic stress, and antibiotic overuse historically masked welfare-compromising disease conditions rather than addressing root causes. Consumer demand for cheap white fish without welfare certification has historically driven production toward the lowest common denominator. Certification and consumer choice for higher-standard products provide the most accessible levers for welfare improvement in this globally traded commodity.

What You Can Do

Choose ASC or equivalent certified pangasius products where available.
Ask retailers about pangasius sourcing standards including animal welfare documentation.
Reduce consumption of uncertified pangasius where welfare-certified alternatives are available.
Support aquaculture welfare advocacy organisations pushing for fish-specific welfare standards in certification schemes.