Species of Thailand
Indo-Chinese rat snake
Ptyas korros, Hermann Schlegel, 1837
(In Thai: งูสิงธรรมดา, ngu sing tammada)
Ptyas korros, commonly known as the Chinese ratsnake or Indochinese 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 scales on the posterior part of the body and on the tail often yellow and edged with black. Lower surface yellow. Young specimens with transverse series of round whitish spots or with narrow yellow transverse bars.
Length of head and body 1080 mm; tail 700 mm.
Myanmar; Cambodia, China (Zhejiang, Jiangxi, Fujian, Guangdong, Hainan, Guangxi, Hunan, Yunnan, Hong Kong), India (Assam; Arunachal Pradesh (Namdapha - Changlang district, Chessa, Chimpu, Itanagar - Papum Pare district), Bangladesh, Indonesia (Sumatra, Borneo, Java, Bali), Laos, Taiwan, Thailand, Vietnam, West Malaysia, Singapore Island
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- Ptyas korros
- Indochinesische Rattenschlange
- Indomalayische Rattenschlange
- Chinese ratsnake
- Indo-Chinese rat snake
- งูสิงธรรมดา, ngu sing tammada
- งูเห่าตาลาน, ngu haow taa lan
- งูสิงอ้อย, ngu sing oi
- Ptyas korros, Van Stanley Bartholomew Wallach et al. (2014)
- Ptyas korros, Thomas Ziegler (2002)
- Ptyas korros, Theadora Pinou & Herndon Glenn Dowling (2000)
- Ptyas korros, Merel J. Cox et al. (1998)
- Coluber korros, James Draper Lazell (1998)
- Ptyas korros, Ulrich Manthey & Wolfgang Grossmann (1997)
- Ptyas korros, Malcolm Arthur Smith (1943)
- Zamenis korros, René Léon Bourret (1935)
- Ptyas korros indicus, R. Mell (1931)
- Ptyas korros chinensis, R. Mell (1930)
- Liopeltis libertatis, Thomas Barbour (1910)
- Zamenis korros, Frank Wall (1908)
- Ptyas korros, Leonhard Hess Stejneger (1907)
- Zamenis korros, George Albert Boulenger (1893)
- Zamenis korros, George Albert Boulenger (1890)
- Ptyas korros, Edward Drinker Cope (1861)
- Ptyas korros, Edward Drinker Cope (1860)
- Coryphodon korros, André Marie Constant Duméril & Gabriel Bibron (1854)
- Coluber korros, Hermann Schlegel (1837)
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