Spider monkeys are highly intelligent, acrobatic primates requiring extensive three-dimensional space, stable social groups, and cognitive enrichment for good welfare in captivity.
Spider monkey welfare in captivity is critically dependent on providing appropriate three-dimensional space for brachiating and social complexity that reflects their fission-fusion social structure. Without extensive overhead infrastructure — beams, ropes, platforms — spider monkeys cannot express normal locomotion and develop musculoskeletal problems and psychological stress. Social management is complex: their fission-fusion social system means that fixed, unchanging groups may not match their social preferences. Best-practice facilities provide large outdoor naturalistic spaces with high climbing structures, varied diet including frugivore-appropriate items, and flexible group management that allows some degree of social choice. Spider monkeys rescued from the illegal pet trade require extensive rehabilitation before any captive-group integration.