European eel farming faces significant welfare challenges, and the species' complex life history and conservation status add ethical dimensions to production welfare questions.
Eel farming welfare involves both individual animal welfare concerns and the broader ethical question of farming a critically endangered species. Wild glass eel collection for aquaculture directly contributes to population decline, while providing no individual welfare benefit to collected animals. Farmed eels in intensive systems experience chronic stress from density, handling, and inappropriate conditions that may compromise their welfare throughout their lives. The intersection of species conservation crisis and individual welfare compromise makes eel farming ethically complex in ways that most aquaculture species do not share. Substituting other species or reducing eel consumption are the clearest welfare-positive actions.