Dangerous Snakes of Thailand
Field guide to venomous and notable Thai snakes — cobras, kraits, vipers, pit vipers — with photos, where they're found, and life-saving first-aid steps.
King Cobra
The world's longest venomous snake (up to 5.5m). Olive-green to brown with faint bands. Raises hood when threatened.
Monocled Cobra
Medium-sized cobra (1.5–2m) with a distinctive single 'O' marking on the back of the hood.
Malayan Pit Viper
Stocky, triangular-headed viper, brown with darker geometric patterns. Excellent camouflage in leaves.
Banded Krait
Distinct yellow and black bands. Triangular cross-section. Shy but neurotoxic venom is lethal.
Russell's Viper
Heavy-bodied viper (~1m) with chain of dark oval blotches on a tan body. Hisses loudly when threatened.
Malayan Krait
Slender snake (~1m) with alternating glossy black and white bands. Among the most lethal snakes in Asia.
White-lipped Pit Viper
Bright green snake (~80cm) with a white or yellow lip line and reddish tail tip. Triangular head.