Thai National Parks

Snakes of Thailand

Species of Thailand

Common bronzeback

In Thai: งูสายม่านพระอินทร์ (ngu sai man pha inn)

Binomial name: Dendrelaphis pictus, Johann Friedrich Gmelin, 1789

Painted Bronzeback Dendrelaphis pictus is a species of snake found in Southeast Asia and India.


In the Painted Bronzeback the maxillary teeth number from 23 to 26, the eye is as long as the distance between the nostril and eye. The rostral scale is more broad than deep, and is visible from above. Internasal scales are as long as, or slightly shorter than, the praefrontal scales. The frontal scale is as long as its distance from the rostral or the tip of the snout, but shorter than the parietal scales. The loreal is long and there is one preocular and two postoculars. The temporal scales are 2+2, 1+1, or 1+2. There are nine (seven or eight) upper labials, with the fifth and sixth (or fourth to sixth) entering the eye. This snake has five (four) lower labials in contact with the anterior chin shields the latter shorter than the posterior, which are separated by one anterior and two posterior scales. Scales are in 15 rows, vertebrals about as large as the outer; Ventrals number 151–204, the anal scale is divided, and subcaudals number 103–174.

The snake's colouration is olive or brown above with a yellow lateral stripe, bordered below by a dark line between the outer scales and the ventrals. A black stripe on each side of the head passes through the eye, widens or breaks up into spots, separated by bluish-green bands on the nape. The upper lip is yellow, and the lower surface yellowish or greenish. Length of head and body approximately 740 mm and the tail 440 mm.

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Scientific classification

Dendrelaphis pictus

Common names

  • German:
    • Gefleckte Bronzenatter
    • Gemeine Bronzenatter
  • English:
    • Common bronzeback
    • Painted bronzeback
    • Indonesian bronzeback
  • Thai: งูสายม่านพระอินทร์ (ngu sai man pha inn)


  • Dendrelaphis pictus, Van Stanley Bartholomew Wallach et al. (2014)
  • Dendrelaphis pictus, Gernot Vogel, Johan van Rooijen (2011)
  • Dendrelaphis proarchos, Gernot Vogel, Johan van Rooijen (2011)
  • Dendrelaphis pictus pictus, Maren Gaulke (1999)
  • Dendrelaphis pictus, Merel J. Cox et al. (1998)
  • Dendrelaphis pictus, Ulrich Manthey & Wolfgang Grossmann (1997)
  • Dendrelaphis inornatus intermedius, How et al. (1996)
  • Dendrelaphis pictus, Michael Wilmer Forbes Tweedie (1983)
  • Dendrelaphis (boiga), Jay Mathers Savage (1952)
  • Ahaetulla picta picta, Georg Haas (1950)
  • Ahaetulla ahaetulla, Malcolm Arthur Smith (1943)
  • Ahaetulla boiga boiga, Ladiges (1939)
  • Dendrophis pictus pictus, Felix Kopstein (1938)
  • Dendrelaphis pictus pictus, Robert Mertens (1934)
  • Dendrophis boiga, Leonhard Hess Stejneger (1933)
  • Dendrelaphis pictus intermedius, Wilhelm Meise & Emil Hans Willi Hennig (1932)
  • Dendrophis boiga intermedius, Wilhelm Meise & Emil Hans Willi Hennig (1932)
  • Dendrophis boiga inornatus, Wilhelm Meise & Emil Hans Willi Hennig (1932)
  • Dendrophis pictus pictus, Léo Daniël Brongersma (1931)
  • Ahaetulla boiga boiga, Robert Mertens (1930)
  • Ahaetulla boiga intermedia, Robert Mertens (1927)
  • Ahaetulla boiga, Karl Patterson Schmidt (1927)
  • Dendrophis proarchus (sic), Frank Wall (1921)
  • Dendrophis pictus, Nelly de Rooij (1917)
  • Dendrelaphis proarchos, Frank Wall (1909)
  • Dendrophis proarchos, Frank Wall (1909)
  • Dendrophis pictus, Frank Wall (1907)
  • Dendrophis pictus, George Albert Boulenger (1894)
  • Dendrophis pictus, Johann Gustav Fischer (1884)
  • Dendrophis pictus var., Oskar Boettger (1883)
  • Dendrophis picta, Ferdinand Stoliczka (1870)
  • Ahaetulla picta, Edward Drinker Cope (1861)
  • Dendrophis picta, André Marie Constant Duméril & Gabriel Bibron (1854)
  • Leptophis pictus, Theodore Edward Cantor (1847)
  • Dendrophis picta, Hermann Schlegel (1837)
  • Ahaetulla bellii, Thomas Hardwicke & John Edward Gray (1834)
  • Dendrophis pictus, Friedrich Boie (1827)
  • Dendrophis decorus, Leopold Fitzinger (1826)
  • Ahaetulla decorus, John Edward Gray (1825)
  • Ahaetulla fasciata, Johann Heinrich Friedrich Link (1807)
  • Coluber decorus, George Shaw (1802)
  • Coluber pictus, Johann Friedrich Gmelin in Carolus Linnaeus (1789)
  • Coluber pictus, Johann Friedrich Gmelin (1789)
  • Coluber boiga, Bernard Germain de Lacépède (1789)
  • Coluber ahaetulla, Carolus Linnaeus (1758)


Dendrelaphis pictus
Dendrelaphis pictus
Dendrelaphis pictus
Dendrelaphis pictus
Dendrelaphis pictus (juvenile)
Dendrelaphis pictus
Dendrelaphis pictus
Dendrelaphis pictus

Range Map

Distribution map of Common bronzeback, Dendrelaphis pictus in Thailand
  • Ban Chang District, Rayong
  • Ban Lat District, Phetchaburi
  • Ban Luang District, Nan
  • Ban Muang District, Sakon Nakhon
  • Dan Sai District, Loei
  • Doi Suthep - Pui National Park
  • Hala-Bala Wildlife Sanctuary
  • Hua Hin District, Prachuap Khiri Khan
  • Huai Kha Khaeng Wildlife Sanctuary
  • Huai Rat District, Buriram
  • Kaeng Krachan District, Phetchaburi
  • Kaeng Krachan National Park
  • Khao Sok National Park
  • Khao Yai Da
  • Khao Yai National Park
  • Khlong Thom District, Krabi
  • Kui Buri District, Prachuap Khiri Khan
  • Kumphawapi District, Udon Thani
  • Long District, Phrae
  • Mae On District, Chiang Mai
  • Mae Wang District, Chiang Mai
  • Mueang Buriram District, Buriram
  • Mueang Lampang District, Lampang
  • Mueang Nakhon Ratchasima District, Nakhon Ratchasima
  • Mueang Phayao District, Phayao
  • Mueang Phetchaburi District, Phetchaburi
  • Mueang Phichit District, Phichit
  • Mueang Ratchaburi District, Ratchaburi
  • Mueang Rayong District, Rayong
  • Mueang Udon Thani District, Udon Thani
  • Na Haeo District, Loei
  • Na Yai Am District, Chanthaburi
  • Nam Nao National Park
  • Namtok Huai Lao Forest Park
  • Namtok Sam Lan National Park
  • Nong Han District, Udon Thani
  • Nong Kung Si District, Kalasin
  • Op Khan National Park
  • Pai District, Mae Hong Son
  • Phimai District, Nakhon Ratchasima
  • Phu Suan Sai National Park
  • Phu Wua Wildlife Sanctuary
  • Prachantakham District, Prachinburi
  • Sai Yok District, Kanchanaburi
  • San Kamphaeng District, Chiang Mai
  • Selaphum District, Roi Et
  • Sikhio District, Nakhon Ratchasima
  • So Phisai District, Bueng Kan
  • Song Khwae District, Nan
  • Sung Noen District, Nakhon Ratchasima
  • Takua Pa District, Phang Nga
  • Tha Mai District, Chanthaburi
  • Tha Muang District, Kanchanaburi
  • Thale Ban National Park
  • That Phanom District, Nakhon Phanom
  • Watthana Nakhon District, Sa Kaeo
Range map of Dendrelaphis pictus in Thailand