Crocodilians in zoos require careful thermal management, appropriate social conditions, and enrichment to meet their complex physiological and behavioral needs.
Crocodilian welfare in captivity depends heavily on thermal provision. Inadequate basking spots or inappropriate water temperatures cause physiological dysfunction - impaired digestion, immune suppression, and behavioral depression. Crocodilians without thermal gradient options cannot regulate their body temperature, a fundamental biological need. Social management must account for species-specific requirements - forced cohabitation of territorial species causes injury and stress. Enrichment - feeding enrichment that activates hunting behavior and novel objects - improves behavioral diversity and reduces lethargy in captive animals.