Found in southern China, Taiwan, northern Vietnam, and parts of Laos, this heavy-bodied pit viper commands both fear and respect wherever it’s encountered. With its triangular head, camouflaged scales, and deadly venom, the Chinese moccasin is a true icon of Asia’s forests and mountains, often referred to in local folklore as a creature that delivers death in a hundred paces—though thankfully, that’s just a myth.
Its body is stout and muscular, built for ambush rather than speed. The coloration is beautifully cryptic: grayish-brown or olive with dark brown, diamond-shaped crossbands running down its back, perfectly blending with forest floors, leaves, and rocks. Its broad, triangular head, distinct from the neck, gives it a classic viper appearance, while its vertical pupils and heat-sensing pit organs allow it to detect the body heat of prey even in total darkness.
The Chinese moccasin is an ambush predator, relying on patience and camouflage rather than pursuit. It typically hides among fallen leaves or in rocky crevices, striking only when prey—usually frogs, rodents, birds, or small mammals—comes within reach. Its strike is lightning-fast, delivering a dose of potent hemotoxic venom that destroys tissue and disrupts blood clotting, quickly immobilizing its target. Despite this fearsome weaponry, the Chinese moccasin is not aggressive and prefers to avoid confrontation with humans. Most bites occur only when it is accidentally stepped on or provoked.
This snake’s nickname, “Hundred-Pace Viper,” comes from an old Chinese legend claiming that a person bitten by it could only walk a hundred steps before collapsing. While its venom is indeed dangerous, modern medicine has made bites far from fatal with prompt treatment. In traditional culture, the Chinese moccasin has long been both feared and revered—featured in ancient stories, folk remedies, and even martial arts symbolism as a representation of silent strength and deadly precision.
Distribution
China
Laos
Taiwan
VietnamAnything we've missed?
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Terrestrial / Aquatic
Altricial / Precocial
Polygamous / Monogamous
Dimorphic (size) / Monomorphic
Active: Diurnal / Nocturnal
Social behavior: Solitary / Pack / Herd
Diet: Carnivore / Herbivore / Omnivore / Piscivorous / Insectivore
Migratory: Yes / No
Domesticated: Yes / No
Dangerous: Yes / No
