Sea lions are highly intelligent, social marine mammals whose welfare in zoo settings depends on quality of human relationships, enrichment, and appropriate aquatic environments.
Sea lion welfare in captivity is closely tied to the quality of their relationship with caretakers and the richness of their environment. Behavioral training using positive reinforcement — never coercion — provides cognitive stimulation and enables voluntary participation in health monitoring procedures. Adequate pool size and depth allows natural diving and swimming behaviors. Social housing in compatible groups provides necessary social stimulation. The transition away from entertainment performances toward natural behavior demonstrations allows welfare-consistent enrichment while maintaining educational value. Progressive facilities focus on behavioral welfare assessment, voluntary cooperation with medical procedures, and providing complex environments that engage sea lions' natural problem-solving abilities.