Hippopotamuses require substantial water access and appropriate social conditions for adequate welfare in captivity, making their management a significant resource commitment.
Hippopotamus welfare depends fundamentally on access to adequate water for thermoregulation and skin health. Facilities without large, deep pools that allow full submersion fail a basic hippo welfare requirement. Social management is equally challenging — hippos cannot be housed together casually and compatible social groupings require careful planning. Well-resourced zoos that provide large aquatic environments and carefully managed social groups achieve better welfare outcomes, but the resource demands are substantial.