Comprehensive DescriptionRead full entry
A very large lizard with a maximum recorded SVL of 375 mm (total length 662 mm). Ear with enlarged conical lobules at its anterior side; more than 300 small granular scales around mid-body; scattered enlarged spinose tubercles on each flank at the posterior part of the body. Hind limbs covered dorsally with medium-sized spinose tubercles intermixed with smaller granules. Lower forelimbs with some enlarged spinose scales. The first 3-4 anterior caudal segments are made of two or more scale rows dorsally, and segments along at least the anterior 75% of tail length are made of two or more scales ventrally. Coloration uniform and varies considerably according to temperature. When cool, animals are dark gray; when warm, they become light yellowish gray. Head is often darker than body. Young are darker, with obscure whitish ocelli on the back.