European eels are critically endangered and farmed eels depend entirely on wild-caught juveniles. The welfare implications of eel farming and the sustainability crisis of wild capture demand urgent attention.
Farmed eel welfare presents a double problem: the welfare of individual farmed eels and the welfare-relevant population decline of wild European eels toward extinction. Unlike most farmed fish, eel aquaculture cannot operate on captive-bred stock — every farmed eel starts as a wild juvenile removed from an already critically depleted population. Farming eels therefore simultaneously reduces wild population numbers and creates welfare obligations for the individuals confined in high-density recirculating systems. Welfare standards specific to eels in aquaculture are virtually absent. The ethical case for reducing eel consumption is both a conservation argument and a welfare one: reducing demand reduces wild capture pressure and reduces the number of individual eels experiencing intensive farming conditions.