A fairly large lizard, adult size is 45 – 70 cm,f the tail is less than half the length. They are somewhat squat with moderately broad tails. Being the most heavily plated of the Gerrhosaururidae, the species is easily recognised on the armour. The body and tail is covered in transverse bands of more or less square plate like scales, and head shields are fused to the skull. Coloration is greyish brown, males being larger than females with a brightly coloured throat.