Aquaculture Welfare

Farmed Eel Welfare: A Neglected Species in Aquaculture

Eels are widely farmed in Asia and Europe, yet welfare standards are almost entirely absent. Their complex biology and behavior make intensive farming deeply problematic.

Key Facts

Japan, China, and Taiwan produce most of the world's farmed eels, primarily Japanese eel
Eels cannot be bred in captivity at commercial scale; all stock comes from wild-caught glass eels
Japanese eel is critically endangered in the wild due partly to overharvesting for aquaculture
Farmed eels are typically kept at extremely high densities with limited environmental enrichment
Eel slaughter methods are often rudimentary, raising significant concerns about pain

Welfare Considerations

Farmed eels occupy a troubling intersection of welfare concerns: they are sentient animals capable of experiencing pain and stress, raised in conditions designed without any welfare consideration, and their industry simultaneously threatens wild populations. The reliance on wild-caught juveniles creates a conservation-welfare double crisis. Meaningful reform requires both welfare standards for farmed animals and sustainable sourcing policies.

What You Can Do

Reduce consumption of eel products, particularly unagi (Japanese eel)
Choose sustainably certified seafood when consuming eel products
Support organizations advocating for fish and eel welfare standards
Urge retailers to adopt sourcing policies that exclude critically endangered eel species
Back research into eel sentience and welfare needs