Marine Mammal Captivity Reform | Animal Welfare Hub

The keeping of dolphins, orcas, and other cetaceans in marine parks and aquaria has faced increasing scientific and public challenge, with evidence of welfare harm driving legislative change in many countries.

Key Facts

Canada banned the captivity of cetaceans in 2019; the UK has not held captive cetaceans since the 1990s
SeaWorld's orca programme was the subject of the Blackfish documentary, generating significant public welfare debate
Captive orca welfare concerns include dorsal fin collapse, stereotypic behaviour, and reduced lifespan
Marine mammal parks argue that educational value and conservation funding justify captivity
Cetacean cognition, social complexity, and acoustic communication make captive environments fundamentally inadequate
Sanctuaries providing large sea pen environments offer an alternative to full release or continued tank captivity

Welfare Considerations

The evidence for cetacean welfare harm in captivity has driven significant legislative and commercial change globally. The scale of cognitive and social needs in species like orcas and bottlenose dolphins cannot be met in even the largest artificial facilities. Sea sanctuary development offers a transitional welfare improvement for animals that cannot be released, while the long-term trajectory is toward phasing out commercial cetacean entertainment globally.

What You Can Do

Never visit marine parks that hold cetaceans in captivity for entertainment
Support Whale Sanctuary Project and similar organisations developing sea pen sanctuaries
Advocate for comprehensive captive cetacean bans in countries that still permit it
Educate others about the welfare science underpinning cetacean captivity concerns
Support wild cetacean conservation as an alternative to captive display