Farmed Eel Welfare Challenges | Animal Welfare Hub

Eels are widely farmed in Asia and Europe but face significant welfare problems from stocking density to slaughter methods.

Key Facts

Global eel aquaculture produces over 250,000 tonnes annually, primarily in Asia
Eels are obligate carnivores requiring high-protein diets that are costly and resource-intensive
High stocking densities cause chronic stress and increase disease susceptibility
Common slaughter methods such as salt bathing cause prolonged suffering

Welfare Considerations

Eels are highly sensitive to environmental conditions and show clear stress responses to overcrowding and poor water quality. Their unique biology, including air-breathing capacity and nocturnal activity, is often incompatible with intensive farming systems. Research into humane slaughter for eels is limited compared to salmon, leaving a significant welfare gap. Reduced stocking densities, enriched tanks, and percussive stunning before slaughter represent important improvements.

What You Can Do

Choose eel products from producers with documented welfare standards
Support research into humane slaughter methods for eels and other fish
Advocate for eel-specific welfare regulations in aquaculture law
Reduce consumption of farmed eel products without welfare certification