Proper Heat and Temperature Gradient is Vital for Reptiles

Many reptiles have very specific need when it comes to heat and light. Meeting these needs is essential to keeping these pets healthy, so it is important to understand why heat and light are so important.

Heat: Being ectothermic ("cold-blooded" - although they need warm temperatures) they rely on external temperatures to regulate their body temperature.

Light: Ultraviolet light (UV) is important in the production of vitamin D3, which is necessary for calcium metabolism. Vitamin D3 is produced in the skin with exposure to UV light (from sunlight).

While vitamin D3 can be supplemented in the diet, it appears some reptiles, such as iguanas, make better use of vitamin D3 produced within their bodies than that provided in vitamin supplements.

Learn more: heat and light needs for reptiles

Photo: Veiled Chameleon by Lianne McLeod DVM