Beluga whales are among the most acoustically sophisticated animals on Earth. Their complex social lives, vast oceanic ranges, and cognitive abilities make them profoundly unsuited to captive environments, while wild populations face growing pressures.
Captive belugas face profound welfare deprivation that arises directly from the mismatch between their natural requirements and what any tank can provide. Their acoustic sophistication makes them especially sensitive to the echoing, noise-polluted environments of aquarium pools, where vocalisation patterns are disrupted. The absence of meaningful social complexity — with the same few individuals rather than dynamic wild pods — limits the social cognition that characterises wild beluga life. Stereotypic behaviours such as repetitive circling, head-bobbing, and pacing are widely documented in captive cetaceans. The evidence base supporting a ban on cetacean captivity for entertainment has grown substantially, leading many countries to phase out or ban the practice. In wild populations, anthropogenic noise from shipping and drilling disrupts beluga communication, feeding, and migration, representing a growing welfare concern at population scale.