It is a large snake, reaching more than 2 m (6 1⁄2 ft) in total length. The front teeth of the upper jaw and the lower jaw are strongly enlarged.[2] <br /> <br />The body is slender and laterally compressed. Dorsally it is tannish with reddish-brown or dark brown crossbands. There is a dark streak behind the eye on each side of the head. The venter is whitish, heavily marbled with dark brown. <br /> <br />The smooth dorsal scales are arranged in 23 or 25 rows at midbody, and those in the vertebral row are strongly enlarged. Ventrals 248-290; subcaudals 114-165.[3]
