Gharials are among the world's most critically endangered crocodilians, with zoo breeding programs supporting wild population recovery in Indian rivers.
Zoo gharial management requires large aquatic enclosures with both deep swimming areas and basking platforms. Temperature regulation through basking is essential for metabolic function and welfare. Social dynamics in captive groups must be carefully managed — dominant males can injure subordinates. The long grow-out period before sexual maturity means welfare conditions must be maintained consistently across many years. Release programs must balance quantity of animals released against fitness and welfare of individual animals — poorly conditioned juveniles face lower survival. Hatchling welfare in incubation programs requires careful temperature and humidity management to prevent developmental deformities.