Agamas are generally easily recognized by their large, broad triangular shaped head, long tails and strong legs. Many are equipped with sharp claws for digging and tree climbing. Their tails may break off defensively but they are not known to regenerate. They are primarily carnivores, and most are egg layers. All are equipped with excellent eyesight.
All species are frog-like in appearance with moderately long tails.
Hemipenal bulge seen in sexually mature males. All have a spike behind each eye. Extremely strong claws for digging. This genus used to be included with the Gonocephalus but sorted out. Slight lateral compression.