A robustly built lizard, which reaches large size, up to 140 mm SVL. Back and dorsal surface of tail covered with regular bands of low and smooth tubercles. Tubercles without clear rosettes of medium-sized scales. Tubercles are separated laterally from each other by 6-7 small scales. There is an average of 27 lamellae under the fifth toe. Temporal region covered with large tubercles widely separated by small scales. Postmentals smaller than the gulars. Rostral enters nostril. General color of dorsum ranges between dark brown-gray to light sandy-gray. Back with 4-5 dark and light crossbars and there are usually 4 distinctive white spots with dark borders on the scapular region. Tail with light and dark bands. Venter off-white.
Male larger than female, with broader head. General color of dorsum varies according to the dominant color of the habitat and environmental factors, such as temperature. The scapular spots are usually not easily discernible on juvenile animals and become well developed in adults.
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(images: T - Matt Reinbold, B - Bibliotheca Alexandrina, from Description de l’Egypte, Book 34 (1826), Volume I)