Hippopotamuses have specific welfare requirements centred on water access, social structure, and space that pose significant challenges for captive management.
Hippopotamus welfare in captivity is constrained by the difficulty of providing adequate water territory and managing social dynamics in confined spaces. Hippos in undersized pools may show chronic stress through limited movement, skin problems from inadequate water access, and aggression injuries from inadequate space to avoid dominant individuals. The welfare calculus for hippos in accredited facilities with large, well-designed exhibits differs substantially from that for animals in older, smaller enclosures. Evaluating hippo welfare requires direct assessment of behavioral indicators and physical condition.