Hippos have complex needs that are challenging to meet in zoo settings. Understanding their welfare requirements helps evaluate and improve captive management.
Hippo welfare in captivity is critically dependent on adequate water provision, space, and appropriate social management. Insufficient pool depth or size prevents thermoregulation and skin care, leading to physical deterioration. Social management presents a particular challenge, as the territorial aggression of hippos in confined spaces can result in serious injury or death. Only facilities with genuinely large aquatic spaces and sophisticated management expertise can provide adequate welfare for hippos.