Komodo dragons are the largest lizards, reaching 165 kg and greater than three meters in length. Juveniles are green with yellow and black bands. Adults dull and uniform in color, from brown to grayish red. Their robust bodies are uniformly covered in rough scales. They have strong limbs and a powerful, muscular tail. The heads of Komodo dragons have a rounded snout and ear openings. Their skulls are flexible and have sharp, serrated teeth. Although males tend to grow larger, there are no obvious morphological differences between the sexes.

Range mass: 165 (high) kg.

Range length: 3.1 (high) m.

Other Physical Features: ectothermic ; heterothermic ; bilateral symmetry

Sexual Dimorphism: male larger