Ptyas korros | 台北市立動物園資訊網

Ptyaskorros,commonlyknownastheChineseratsnakeorIndo-Chineseratsnake,isa...Brownoroliveabove;thescalesontheposteriorpartofthebodyandonthetailoftenyellowandedgedwithblack....Indonesia(Sumatra,Borneo,Java,Bali),Lao

Species of reptile

Ptyas korros, commonly known as the Chinese rat snake or Indo-Chinese rat snake, is a species of colubrid snake endemic to Southeast Asia.

Snout obtuse, projecting; eye very large. Rostral visible from above; internasals shorter than the prefrontals; frontal as long as its distance from the tip of the snout or a little longer, as long as the parietals; two or three loreals; a large preocular, sometimes touching the frontal; a small subocular below; two postoculars; temporals 2 + 2; eight upper labials, fourth and fifth entering the eye; five lower labials in contact with the anterior chin-shields, which are shorter than the posterior.

Dorsal scales smooth or feebly keeled on the posterior part of the body, in 15 rows at midbody; ventrals 160–177; anal divided; sub-caudals 122–145.

Brown or olive above; the scale...