Reptiles kept as pets have highly specific thermal, humidity, lighting, and dietary needs that are frequently unmet, causing chronic welfare compromise in millions of kept animals.
Reptile welfare suffers from two interrelated problems: the complexity of proper husbandry and the widespread underestimation of reptile sentience and welfare needs. Most reptile owners acquire animals without understanding the specific thermal gradient, humidity range, UV-B requirements, and dietary needs of their species. The welfare consequences are chronic and often invisible until severe: a bearded dragon with metabolic bone disease, a ball python with respiratory infection, a chameleon with vitamin A deficiency. These conditions develop over months of inadequate care before obvious symptoms appear. Improving reptile welfare requires better point-of-sale education, certification requirements for reptile retailers, and wider recognition among the public that reptiles have complex needs that require ongoing research-based care.