Sea otters are highly active foragers that use tools and spend hours daily acquiring food. Captive sea otters require sophisticated enrichment programs that replicate the cognitive and physical demands of wild foraging.
Sea otter welfare in captivity is particularly demanding because these animals are cognitively sophisticated, highly active, and driven by strong foraging motivation that is not easily satisfied in zoo settings. The welfare quality of a sea otter exhibit is directly visible in foraging behavior: an otter given varied enrichment puzzles that require skill and effort to solve is demonstrably more welfare-positive than one given pre-broken food. Sea otters are unique in that human-reared animals cannot typically be released; they become dependent on humans and lose the wild skills needed for survival. This creates a lifetime welfare obligation for facilities caring for non-releasable sea otters.