Eels are widely farmed in Asia and Europe for food markets, but their welfare receives little attention. Their unusual biology and sensitivity to handling make them a significant welfare concern in aquaculture.
Eel welfare presents unique challenges due to their unusual physiology and sensitivity to handling. Their stress response to capture and handling is dramatic and prolonged. Common processing methods used in traditional cuisine — including live cutting and salt rubbing to remove mucus — cause obvious distress and are incompatible with humane slaughter principles. Electrical stunning or rapid decapitation followed by immediate spinal severing represents a more humane alternative. The broader welfare context is complicated by the fact that eel aquaculture depends entirely on wild-caught juveniles whose population collapse represents an existential conservation crisis alongside a welfare concern.