Thai National Parks

Reptiles of Thailand

Species of Thailand

Assam mountain snake

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: งูหัวลายศร


  • 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)

Assam mountain snake is found in following locations in Thailand

Please note that this non-official list is not complete nor necessarily accurate. This list is a summary of checklists from other websites, blogs, publications, photo/videos published on various websites or our own findings. We appreciate your contributions with photo proof.

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 generated automatically based on very limited data we have about the protected sites, the data is not necessarily accurate. Please help us to improve our range maps by sharing your findings/knowledge.