Copperhead Rat Snake
Coelognathus radiatus
- KingdomAnimalia (Animals)
- PhylumChordata (Chordates)
- ClassSquamata
- FamilyColubridae (Colubrid Snakes)
- GenusCoelognathus (Southeast Asian Ratsnakes)
- SpeciesCoelognathus radiatus (Copperhead Rat Snake)
About the Copperhead Rat Snake
Coelognathus radiatus, commonly known as the radiated ratsnake, copperhead rat snake, or copper-headed trinket snake, is a nonvenomous species of colubrid snake. These snakes are usually defensive in nature which makes it hard to catch or control them.
German: Strahlennatter English: Copperhead racer Copperhead rat snake Radiated rat snake Copper-headed trinket snake Thai: งูทางมะพร้าว, ngu taang mapao Myanmar: ငန်းစောင်း Laos:ງູສາ Malay: Ular Rusuk Kerbau Bengali (Bangladesh): দুধরাজ (Dudhraj), আরবালি সাপ (Arbali sap)
Vietnamese: rắn sọc dưa, rắn hổ ngựa Indonesia (Sumatra, Bangka, Borneo/Kalimantan, Java), Bali Malaysia and Brunei (Malaya and East Malaysia); Borneo, Singapore Island, Burma (Myanmar), Thailand (including Phuket), Koh Phangan
Laos, Cambodia, Vietnam, Japan (Ryukyu Islands), India (Assam, Arunachal Pradesh (Miao - Changlang district, Chessa, Chimpu, Itanagar - Papum Pare district) [A. Captain, pers. comm.]), Bangladesh, Nepal, South China (Fujian, Yunnan, Guangxi, Guangdong, Hong Kong),
Nepal Type locality: Java Barbour, Thomas (1912). Some Chinese Vertebrates: Amphibia and Reptilia... Wikipedia →
Closest Relatives at Taman Negara National Park
Black Copper Rat Snake
Coelognathus flavolineatus
Elegant Bronzeback
Dendrelaphis formosus
Red-tailed Green Ratsnake
Gonyosoma oxycephalum
Malayan Bridal Snake
Lycodon subannulatus
Gray Bronzeback
Dendrelaphis caudolineatus
Wall's Bronzeback
Dendrelaphis cyanochloris
Dog-toothed Cat Snake
Boiga cynodon
Paradise Flying Snake
Chrysopelea paradisi
Blue-necked Keelback
Rhabdophis rhodomelas
Western Mangrove Cat Snake
Boiga melanota
White-spotted Cat Snake
Boiga drapiezii
Banded Flying Snake
Chrysopelea pelias
Global Distribution
Where this species is recorded worldwide. Restricted to human observations from 2019 onwards — the same kind of record and the same period the probabilities on this page are built from, so collar-tracking studies, camera-trap arrays and museum specimens are excluded. Around Santa Rosa that removes 5,924 GPS fixes from a handful of tagged jaguars.
where this species is recorded (GBIF density — it tracks where observers go, not how likely a sighting is) · parks where it occurs — tap a pin for the sighting probability there
Parks Where Found
| # | Park | Country | Daily sighting probability |
|---|---|---|---|
| 1 | Khao Sok National Park | 🇹🇭 Thailand | |
| 2 | Royal Manas National Park | 🇧🇹 Bhutan | |
| 3 | Kaziranga National Park | 🇮🇳 India | |
| 4 | Khao Luang National Park | 🇹🇭 Thailand | |
| 5 | Doi Inthanon National Park | 🇹🇭 Thailand | |
| 6 | Jim Corbett National Park | 🇮🇳 India | |
| 7 | Cat Tien National Park | 🇻🇳 Vietnam | |
| 8 | Khao Yai National Park | 🇹🇭 Thailand | |
| 9 | Chitwan National Park | 🇳🇵 Nepal | |
| 10 | Kaeng Krachan National Park | 🇹🇭 Thailand | |
| 11 | Taman Negara National Park | 🇲🇾 Malaysia |