“…Welfare issues not only apply to farmed fish, ornamental/pet fish, commercial-or recreational-fishing, but also to wild fish affected by anthropogenic changes to the environment (Huntingford et al, 2006), for example, including fish passage at hydropower plants or pumping stations. The threat to fish welfare, arising from an increasing use of hydropower turbines worldwide, is currently intensively discussed and studied (Baumgartner et al, 2017;Botelho et al, 2017;Amaral et al, 2018;Havn et al, 2018;Alves et al, 2019;Renardy et al, 2020).…”