Atlantic halibut aquaculture presents unique welfare challenges due to the species' benthic lifestyle, cannibalistic tendencies, and sensitivity to handling and water quality.
Halibut aquaculture requires species-specific welfare approaches. Juveniles require careful size grading to prevent cannibalism-induced injury and mortality. As benthic fish, halibut need adequate floor space and resting areas, not just water volume. High stocking densities cause stress and fin erosion. Handling during grading and transfer causes acute welfare compromise — minimising frequency and using anaesthetics during prolonged procedures improves welfare. Water quality, particularly oxygen and temperature, requires continuous monitoring to avoid chronic stress.