Thai National Parks

Reptiles of Thailand

Species of Thailand

Boonsong's keelback

Binomial name: Isanophis boonsongi (Edward Harrison Taylor & Robert E. Elbel, 1958)

Boonsong's keelback (Opisthotropis boonsongi ) is a species of snake in the family Colubridae. It is endemic to Thailand.

Geographic range

O. boonsongi is known only from Loei Province in northeastern Thailand although it may occur in Laos, southern China and Vietnam. It is found in sub-montane forests and may be aquatic or semi-aquatic, feeding on frogs and fishes.


The specific name, boonsongi, commemorates Thai zoologist and conservationist Dr. Boonsong Lekagul.

This article uses material from the Wikipedia released under the Creative Commons Attribution-Share-Alike Licence 3.0. Please see license details for photos in photo by-lines.

Scientific classification

Isanophis boonsongi

Common names

  • German: Boonsongs Bachnatter
  • English: Boomsong’s stream snake


  • Isanophis boonsongi, Patrick David et al. (2015)
  • Parahelicops boonsongi, Tanya Chan-Ard et al. (2015)
  • Parahelicops boonsongi, Van Stanley Bartholomew Wallach et al. (2014)
  • Opisthotrophis boonsongi, Patrick David et al. (2011)
  • Parahelicops boonsongi, Patrick David et al. (2004)
  • Opisthotrophis [sic] boonsongi, Tanya Chan-Ard et al. (1999)
  • Opisthotrophis sic boonsongi, Tanya Chan-Ard et al. (1999)
  • Opisthotropis boonsongi, Peter Paul Van Dijk et al. (1998)
  • Opisthotropis boonsongi, Merel J. Cox (1995)
  • Parahelicops boonsongi, Merel J. Cox (1991)
  • Opisthotropis boonsongi, Walter Creighton Brown & Alan E. Leviton (1961)
  • Parahelicops boonsongi, Taylor & Elbel (1958)

Boonsong's keelback 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.

  • Dan Sai District
  • Phu Luang Wildlife Sanctuary

Conservation status

Data Deficient (IUCN2.3)

Data Deficient (IUCN2.3)

No photo for this species yet

Distribution map of Boonsong's keelback, Isanophis boonsongi in Thailand
  • Dan Sai District
  • Phu Luang Wildlife Sanctuary

Range map of Isanophis boonsongi 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.