European and Japanese eel are highly sensitive fish whose complex migratory biology makes them extremely difficult to farm humanely. The eel industry faces both welfare and sustainability crises simultaneously.
Farmed eels face a double welfare and sustainability crisis. They are caught from endangered wild populations as juveniles, then raised in intensive conditions that cause chronic stress, then killed by methods that cause prolonged suffering. The inability to breed eels in captivity means the industry is entirely dependent on continued extraction from endangered wild stocks. Reducing eel consumption addresses both conservation and welfare simultaneously, making it one of the clearest cases where individual dietary choices align with both animal welfare and conservation goals.