The gharial is one of the world's most distinctive and critically endangered reptiles. Specialised for fish-catching in large rivers, it faces extinction from river modification, fishing nets, and sand mining that have destroyed most of its former range.
The welfare of individual gharials is inseparable from the conservation crisis threatening their species. Wild gharials that survive in degraded, fragmented river habitats face chronic challenges: fishing nets entangle and drown them, sand mining removes the sandy beaches essential for nesting, and human disturbance prevents access to basking sites critical for thermoregulation. Captive gharials in breeding programmes represent a different set of welfare challenges: animals in small pools cannot express natural swimming and diving behaviour, and the absence of appropriate basking opportunities and natural diet variety affects both physical condition and psychological wellbeing. The failure of many head-started animals to survive post-release likely reflects inadequate foraging skills and habitat familiarity — welfare implications of survival selection exist even after release. For a species this close to extinction, every individual matters: the welfare of individual gharials in captive programmes and protected river sanctuaries is directly linked to the survival of the species.