Bottlenose dolphins in captivity and the wild face different welfare challenges, and the debate over dolphin keeping in marine parks reflects fundamental questions about whether the welfare needs of highly intelligent social animals can be met in captivity.
Bottlenose dolphin welfare in captivity is among the most extensively debated questions in zoo and marine park welfare ethics. The cognitive sophistication of dolphins — their demonstrated self-awareness, complex social bonds, cultural knowledge transmission, and extensive acoustic communication — creates a particularly high welfare bar for captive conditions to meet. Wild dolphins range over hundreds of kilometers, form stable social networks with dozens of individuals, and engage in behavioral diversity that reflects their intelligence. Marine park environments, however large, provide a fraction of this social and spatial complexity. The shorter captive lifespans documented in some studies, combined with the behavioral indicators of frustration observed in captive dolphins, suggest that current captive conditions fail to meet the welfare needs of this species. The Taiji supply chain that provides wild-caught dolphins to parks directly causes acute welfare harm through traumatic capture.