Thai National Parks

Due to COVID-19 outbreak, all national parks, wildlife sactuaries and other protected forest areas in Thailand are closed from 25th March until further notice. Some popular tourist destinations like Similan Islands, Surin Islands are within national parks, they too are closed. We will announce from here when the parks reopen.

Reptiles of Thailand

Species of Thailand

Indo-Malayan mountain pit viper

Thai: งูหางแฮ่มภูเขาใต้, ngu hang haem phukhao dtai

Binomial name: Ovophis convictus, Ferdinand Stoliczka, 1870

* No content available for this species yet *

Scientific classification

Ovophis convictus

Common names

  • German: Indo-Malaiische Berg-Grubenotter
  • English:
    • Indo-Malayan mountain pit viper
    • Mountain pit viper
  • Thai: งูหางแฮ่มภูเขาใต้, ngu hang haem phukhao dtai


  • Ovophis convictus, Van Stanley Bartholomew Wallach et al. (2014)
  • Ovophis convictus, Andreas Gumprecht & Peter van Issem (2013)
  • Ovophis convictus, Patrick David & Gernot Vogel (2012)
  • Ovophis convictus, Indraneil Das & Norsham S. Yaakob (2007)
  • Ovophis monticola convictus, Andreas Gumprecht et al. (2004)
  • Ovophis monticola convictus, Merel J. Cox et al. (1998)
  • Ovophis convictus, Kenneth R. G. Welch (1994)
  • Ovophis monticola convictus, P. Golay et al. (1993)
  • Ovophis convictus, Hobart Muir Smith & David Alfred Chiszar (1988)
  • Trimeresurus convictus, Konrad Klemmer (1963)
  • Ovophis monticola tonkinensis nec Trimeresurus tonkinensis, René Léon Bourret (1934)
  • Trimeresurus monticola (partim), Thomas Barbour (1912)
  • Trimeresurus convictus, Ferdinand Stoliczka (1870)
  • Lachesis monticola, Albert Charles Lewis Günther (1864)

Conservation status

Least Concern (IUCN3.1)

Least Concern (IUCN3.1)

No photo for this species yet

Distribution map of Indo-Malayan mountain pit viper, Ovophis convictus in Thailand

Range map of Ovophis convictus 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, Parinya Pawangkhanant, Ian Dugdale and many others for their contribution for range data.

It is free to use this map on various media. See the creative common license terms by clicking "CC" icon below the map. But remember, again; the map may not be accurate or complete.

Contribute or get help with ID

Please help us improving our species range maps. To add a new location to the range map we need a clear image of the specimen you have encountered. No problem if you do not know the species, we will do our best to identify it for you.

For the location, please provide the district name or the national park/ wildlife sanctuary name.

Please post your images to our Thai Biodiversity Survey & Species ID group on Facebook.