Thai National Parks

Species of Thailand

Black-banded keelback

Rhabdophis nigrocinctus, Edward Blyth, 1856

(In Thai: งูลายสาบเขียวขวั้นดำ, ngu lai saap khieow quan damm)

The black-striped keelback, green Keelback, banded keelback (Rhabdophis nigrocinctus) is a keelback snake in the family colubridae found in Myanmar, Thailand, Laos, Cambodia, Vietnam, and China.

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Site notes

This species has nuchal glands, one of very few species of snakes in the world which is both venomous and poisonous. The only other species in Thailand which has nuchal glands is Rhabdophis subminiatus in same genus.

Scientific classification

Rhabdophis nigrocinctus

Common names

  • German: Gebänderte Wassernatter
  • English:
    • Black-striped keelback
    • Banded keelback
    • Black-banded keelback
    • Green keelback
  • Thai: งูลายสาบเขียวขวั้นดำ, ngu lai saap khieow quan damm


  • Rhabdophis nigrocinctus, Van Stanley Bartholomew Wallach et al. (2014)
  • Rhabdophis nigrocinctus, Nguyen Van Sang et al. (2009)
  • Rhabdophis nigrocinctus, Merel J. Cox et al. (1998)
  • Rhabdophis nigrocinctus, Ulrich Manthey & Wolfgang Grossmann (1997)
  • Rhabdophis nigrocincta, E. V. Malnate (1960)
  • Natrix nigrocincta, Malcolm Arthur Smith (1943)
  • Pseudoxenodon fruhstorferi, Franz Werner (1925)
  • Rhabdophis nigrocincta, Frank Wall (1923)
  • Tropidonotus eisenhoferi, Nils Carl Gustaf Fersen Gyldenstolpe (1916)
  • Tropidonotus nigrocinctus, George Albert Boulenger (1893)


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Rhabdophis nigrocinctus
Rhabdophis nigrocinctus (juvenile)
Rhabdophis nigrocinctus
Green keelback
Rhabdophis nigrocinctus (by Lukas Ackermann)

Range Map

Distribution map of Black-banded keelback, Rhabdophis nigrocinctus in Thailand
  • Doi Inthanon National Park
  • Doi Pha Hom Pok National Park
  • Doi Phu Kha National Park
  • Doi Suthep - Pui National Park
  • Huai Kha Khaeng Wildlife Sanctuary
  • Kaeng Krachan National Park
  • Kapoe District, Ranong
  • Kathu District, Phuket
  • Khao Lak - Lam Ru National Park
  • Khao Soi Dao Wildlife Sanctuary
  • Khao Sok National Park
  • Khao Yai Da
  • Khao Yai National Park
  • Khlong Nakha Wildlife Sanctuary
  • Khlong Yan Wildlife Sanctuary (n/w)
  • Khlong Yan Wildlife Sanctuary (s/e)
  • Kui Buri National Park
  • Lam Nam Kra Buri National Park
  • Mae Taeng District, Chiang Mai
  • Mae Wang District, Chiang Mai
  • Mueang Krabi District, Krabi
  • Mueang Phang Nga District, Phang Nga
  • Namtok Phlio National Park
  • Omkoi District, Chiang Mai
  • Pang Sida National Park
  • Phu Kradueng District, Loei
  • Phu Luang Wildlife Sanctuary
  • Pong District, Phayao
  • Sakaerat Environmental Research Station
  • Suan Phueng District, Ratchaburi
  • Tha Sae District, Chumphon
  • Thalang District, Phuket
  • Thung Yai Naresuan Wildlife Sanctuary
  • Umphang Wildlife Sanctuary
  • Wiang Kosai National Park
Range map of Rhabdophis nigrocinctus in Thailand