Dorsum tan or grey, with or without irregular dark crossbar markings or mottling. Head large and bony. A prominent crest begins at the neck and extends down the body. Crest absent in hatchlings. Scales strongly keeled except those on top of head. 3-5 dark-coloured streaks fan out from each eye. Underside greyish. Tail long, whip-like, more than twice the body length; banded with brown. Adult males have a gular pouch; black and red when in full colour. Females more drab in coloration.

圖片編號： 178140863
拍攝者： Hangyanyee