Thai National Parks

Reptiles of Thailand

Species of Thailand

Assam mountain snake

Thai: งูหัวลายลูกศร, ngu hua lai look sorn

Binomial name: Plagiopholis nuchalis, George Albert Boulenger, 1893

Plagiopholis nuchalis, commonly known as the Assam mountain snake, is a species of colubrid snake. It is found in Yunnan (China), Myanmar, Thailand, Laos, possibly also in Assam region of India and in Vietnam. Specimens from Yunnan have been described as the subspecies Plagiopholis nuchalis kunmingensis.

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Scientific classification

Plagiopholis nuchalis

Common names

  • German: Indische Halsbandnatter
  • English:
    • Assam mountain snake
    • Assamese mountain snake
  • Thai: งูหัวลายลูกศร, ngu hua lai look sorn


  • Plagiopholis nuchalis, Van Stanley Bartholomew Wallach et al. (2014)
  • Plagiopholis nuchalis, Frank Tillack et al. (2006)
  • Plagiopholis nuchalis, Merel J. Cox et al. (1998)
  • Oligodon kunmingensis, Zi-Tong Kou & Jie-Yun Wu (1993)
  • Plagiopholis nuchalis, Malcolm Arthur Smith (1943)
  • Plagiopholis nuchalis, Malcolm Arthur Smith (1940)
  • Trirhinopholis nuchalis, Frank Wall (1921)
  • Oligodon evansi, Frank Wall (1913)
  • Trirhinopholis nuchalis, George Albert Boulenger (1893)

Conservation status

Least Concern (IUCN3.1)

Least Concern (IUCN3.1)

No photo for this species yet

Distribution map of Assam mountain snake, Plagiopholis nuchalis in Thailand

Range map of Plagiopholis nuchalis in Thailand

Important note; our range maps are based on limited data we have collected. The data is not necessarily accurate or complete.

Special thanks to Ton Smits and Parinya Pawangkhanant for their help with many range data.

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