to maintain humidity between 40% and 60%. They readily feed on a diet of commercially available crickets, roaches, mealworms, and occasionally mice. References King, Dennis & Green, Brian. 1999. Goannas: The Biology of Varanid Lizards. University of New South Wales Press. Varanus Reptiles of Indonesia Reptiles of Timor Fauna of the Lesser Sunda Islands Reptiles described in 1831 Taxa named by John Edward Gray