Welfare of Animals in Public Aquariums

Public aquariums house thousands of marine and freshwater species, with welfare standards ranging from excellent in accredited facilities to deeply problematic in less-regulated venues.

Key Facts

AZA accredits over 50 public aquariums meeting standards for animal care, conservation, and education
Coral reef tanks require precise water chemistry, lighting, and temperature that are technically demanding to maintain
Dolphins and small cetaceans in aquariums — except in exceptional circumstances — cannot have their social and spatial needs met
Sea otters in accredited aquariums are typically rescue animals unable to survive in the wild
Many small home and mall aquariums maintain fish in severely suboptimal conditions

Welfare Considerations

Aquarium welfare varies enormously with facility quality. AZA-accredited marine facilities invest in water quality management, behavioral enrichment, and species-appropriate housing that provides reasonable welfare for fish and invertebrates. Cetacean housing remains controversial even in the best facilities. Non-accredited mall aquariums and roadside attractions typically maintain animals in chronically inadequate conditions. Consumer choice between accredited and non-accredited facilities directly influences industry welfare standards.

What You Can Do

Visit only AZA-accredited public aquariums for marine species viewing
Oppose aquarium facilities that house dolphins, orcas, or other large cetaceans for performance
Donate to rescue aquariums caring for animals that cannot be released to the wild
Advocate for mandatory accreditation requirements for commercial aquarium facilities