Otters are highly active, intelligent carnivores with extensive aquatic requirements that make zoo welfare challenging — yet well-designed otter exhibits are among the most behaviorally rich in zoological settings.
Otter welfare in zoos requires substantial investment in aquatic infrastructure and behavioral enrichment to meet the needs of animals that spend significant time actively swimming, foraging, and playing in water. Asian small-clawed otters have become particularly popular in interactive exhibits and as café animals in East Asia — settings that impose chronic stress from uncontrolled human interaction, inadequate space, and inability to retreat. The petting exhibit model for otters represents a significant welfare concern that the zoological community is addressing through certification and public education. Well-designed otter exhibits provide large aquatic areas, foraging substrates, shelter from visitor view, and social housing appropriate to the species. Giant river otter conservation programs in South America benefit from zoo-based research and funding.