Characteristics:
- Large. SVL (snout-vent length) > 150 mm.
- Head distinct from the body.
- Tail round, not enlarged at the base.
- Body color ranges from grayish-brown to grayish-green with reddish-brown spots on the back.
- Dorsal patterns also include transverse bars and short streaks.
- 10-14 supralabial scales.
- 9-13 infralabial scales.
- The nostril contacts the rostral scale.
- 3-6 nasal scales.
- 0-1 internasal scales.
- 17-29 scales between the eyes.
- 12-18 rows of tubercles on the back.
- 133-141 scales between the chin and the vent.
- 82-103 scales around the body.
- 13-19 subdigital lamellae under the first toe of the hind foot.
- 18-24 subdigital lamellae under the fourth toe of the hind foot.
- No extensive webbing between the toes.
- Both fore and hind feet have tubercles.
- 13-20 precloacal pores.
- 1-4 postcloacal tubercles.
- Tail without tubercles.
- Subcaudal scales not enlarged.
Habitat and Ecology:
- Nocturnal reptile species, typically found on rocks in high-altitude evergreen forests ranging from 200 to 600m.
- Active at night.
- Feeds on insects found in the area.
- Lays 2 eggs in crevices or cracks in rock faces at the beginning of the rainy season each year.
Distribution:
- Found in Vietnam and China, recently discovered in mountainous regions of the northern provinces bordering China.