Head and neck:
Triangular, big head in relation to its size; dark brown or black in coloration
Body
Slender body with pronounced serrated scales in the dorsal side; Color ranges from dark brown to black; Ventral is often smooth and shiny white; females are larger than males
Limbs and tail
Prominent serrated scales from body towards the tail; serrated scales present in dorsal part of the forelimb and hindlimb; five toes on forelimbs and four toes on hindlimbs.