Public attitudes toward marine mammals in captivity have shifted dramatically following documentaries and welfare research. Reform movements have achieved significant policy changes and facility model transitions.
The scientific case against captive cetacean entertainment has become overwhelming. Orcas held in concrete tanks show dorsal fin collapse in virtually 100% of males (under 5% in the wild), stereotypic swimming and dramatically reduced lifespans. The complex social and acoustic ecology of cetaceans - family bonds spanning decades, culture transmitted across generations, extensive ranging over hundreds of miles - cannot be replicated in any facility. The welfare cost to individual animals is borne every day of their captive lives. Sanctuary models that provide sea pens and reduced human performance requirements offer better welfare while allowing retired animals to remain in care.