Thai National Parks

Species of Thailand

Common bronzeback

Dendrelaphis pictus

(Johann Friedrich Gmelin, 1789)

In Thai: งูสายม่านพระอินทร์ (ngu sai man pha inn)

Dendrelaphis pictus, the common bronzeback, painted bronzeback, or Indonesian bronzeback, 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)

Conservation status

Least Concern (IUCN 3.1)

Least Concern (IUCN 3.1)


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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
  • Ban Na District, Nakhon Nayok
  • Ban Phaeo District, Samut Sakhon
  • Bang Kapi District, Bangkok
  • Bang Yai District, Nonthaburi
  • Bo Phloi District, Kanchanaburi
  • Bueng Bun District, Sisaket
  • Chom Phra District, Surin
  • Chum Phae District, Khon Kaen
  • Dan Sai District, Loei
  • Det Udom District, Ubon Ratchathani
  • Doi Saket District, Chiang Mai
  • Doi Suthep - Pui National Park
  • Hala-Bala Wildlife Sanctuary
  • Hat Yai District, Songkhla
  • Hua Hin District, Prachuap Khiri Khan
  • Huai Kha Khaeng Wildlife Sanctuary
  • Huai Rat District, Buriram
  • Kaeng Khro District, Chaiyaphum
  • Kaeng Krachan District, Phetchaburi
  • Kaeng Krachan National Park
  • Kantang District, Trang
  • Khao Phra Wihan National Park
  • Khao Sok National Park
  • Khao Yai Da
  • Khao Yai National Park
  • Khlong Hoi Khong District, Songkhla
  • Khlong Thom District, Krabi
  • Kui Buri District, Prachuap Khiri Khan
  • Kumphawapi District, Udon Thani
  • Kut Chum District, Yasothon
  • Laem Ngop District, Trat
  • Lam Luk Ka District, Pathum Thani
  • Long District, Phrae
  • Mae On District, Chiang Mai
  • Mae Rim District, Chiang Mai
  • Mae Wang District, Chiang Mai
  • Min Buri District, Bangkok
  • Mueang Buriram District, Buriram
  • Mueang Chiang Rai District, Chiang Rai
  • Mueang Lampang District, Lampang
  • Mueang Lamphun District, Lamphun
  • Mueang Mukdahan District, Mukdahan
  • Mueang Nakhon Pathom District, Nakhon Pathom
  • Mueang Nakhon Ratchasima District, Nakhon Ratchasima
  • Mueang Nan District, Nan
  • Mueang Nonthaburi District, Nonthaburi
  • Mueang Pathum Thani District, Pathum Thani
  • Mueang Phatthalung District, Phatthalung
  • Mueang Phayao District, Phayao
  • Mueang Phetchaburi District, Phetchaburi
  • Mueang Phichit District, Phichit
  • Mueang Prachuap Khiri Khan District, Prachuap Khiri Khan
  • Mueang Ratchaburi District, Ratchaburi
  • Mueang Rayong District, Rayong
  • Mueang Sakon Nakhon District, Sakon Nakhon
  • Mueang Satun District, Satun
  • Mueang Surat Thani District, Surat Thani
  • Mueang Trang District, Trang
  • Mueang Udon Thani District, Udon Thani
  • Mueang Yala District, Yala
  • Na Duang District, Loei
  • Na Haeo District, Loei
  • Na Yai Am District, Chanthaburi
  • Na Yong District, Trang
  • Nam Nao National Park
  • Namtok Huai Lao Forest Park
  • Namtok Sam Lan National Park
  • Nikhom Nam Un District, Sakon Nakhon
  • Nong Chok District, Bangkok
  • Nong Han District, Udon Thani
  • Nong Kung Si District, Kalasin
  • Op Khan National Park
  • Pai District, Mae Hong Son
  • Palian District, Trang
  • Panare District, Pattani
  • Phimai District, Nakhon Ratchasima
  • Phu Suan Sai National Park
  • Phu Wua Wildlife Sanctuary
  • Prachantakham District, Prachinburi
  • Rattaphum District, Songkhla
  • Sai Yok District, Kanchanaburi
  • San Kamphaeng District, Chiang Mai
  • Sathing Phra District, Songkhla
  • Selaphum District, Roi Et
  • Si Samrong District, Sukhothai
  • Si Satchanalai National Park
  • Sikhio District, Nakhon Ratchasima
  • Sirindhorn Peat Swamp Forest
  • 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
  • Thepha District, Songkhla
  • Thung Song District, Nakhon Si Thammarat
  • Thung Yai Naresuan Wildlife Sanctuary
  • Umphang Wildlife Sanctuary
  • Wanon Niwat District, Sakon Nakhon
  • Watthana Nakhon District, Sa Kaeo
  • Yan Ta Khao District, Trang
Range map of Dendrelaphis pictus in Thailand