European and Asian eel aquaculture produces millions of animals annually under conditions that frequently compromise welfare. Understanding their specific needs and the welfare challenges of eel farming guides better practice.
Eel welfare is complicated by both their biology and the sustainability crisis affecting wild populations. Farmed eels in intensive tank systems face chronic crowding stress, water quality compromise, and ultimately inhumane slaughter. The welfare of wild glass eels captured for farming begins with the capture itself — juvenile eels experience handling stress during collection and transport before entering farm systems. European eel farming is further complicated by the conservation crisis affecting the species: glass eel capture for farming is contributing to the collapse of wild populations that are already critically endangered. The most welfare-protective and ecologically responsible approach to eel consumption is significant reduction or elimination, given both individual animal welfare concerns and the conservation crisis that makes eel consumption an ecological harm regardless of farming method.