Snake Encyclopedia
Search and identify 1,000+ snakes from around the world — with venomous status, family, range, size, habitat, and how to tell look-alikes apart.
Kaulback's Lance-Headed Pit Viper
A lance-headed pit viper of remote montane forests along the Myanmar-China-Vietnam border region, named after naturalist Ronald Kaulback.
Sri Lankan Hump-Nosed Pit Viper
A small terrestrial pit viper of Sri Lanka and southern India, historically underestimated in medical significance despite its wide distribution.
Fan Si Pan Horned Pit Viper
A stout mountain pit viper with small hornlike scales above the eyes, found in high-elevation forests of the Fan Si Pan region.
Eyelash Viper
A small, arboreal pit viper famous for the raised scales above its eyes and its wide range of color morphs.
Hundred-Pace Viper
A distinctively patterned, medically important pit viper of southern China and Taiwan, popularly named for the exaggerated belief a bite causes death within a hundred paces.
Chinese Green Tree Viper
A slender, arboreal green pit viper common across southern China, Taiwan, and northern Vietnam, frequently encountered in forests and cultivated areas.
Sichuan Lancehead
A terrestrial pit viper native to Sichuan Province, China, part of the Protobothrops group of Asian lanceheads.
Common Lancehead
The most widespread lancehead of the Amazon Basin, a major cause of snakebite envenomation across tropical South America.
Japanese Mamushi
A small but medically significant pit viper widespread across Japan, responsible for the majority of the country's venomous snakebites.
Urutu
A heavy-bodied pit viper of grasslands and marshes in southern South America, known for its distinctive alternating dark blotches.
Amazon False Fer-de-lance
A harmless, viper-mimicking colubrid of the Amazon that flattens its head into a triangular shape to fool predators into thinking it is a dangerous pit viper.
Habu
A large, aggressive pit viper endemic to Japan's Ryukyu Islands, notorious as the region's most medically significant snake.
Ussuri Mamushi
A small, cold-tolerant pit viper of the Russian Far East and northeastern Asia.
Short-Tailed Mamushi
A short, stout pit viper closely related to the Japanese mamushi, found across East Asia.
Rock Mamushi
A rock-dwelling pit viper native to the Korean Peninsula, closely resembling other regional mamushis.
Golden Lancehead
A critically endangered island-endemic pit viper found only on a single Brazilian island, known for unusually potent venom adapted to hunting birds.
False Fer-de-lance
A harmless colubrid widely known for mimicking dangerous fer-de-lance pit vipers through dramatic head-flattening displays.
Tokara Habu
A small island endemic pit viper restricted to Japan's Tokara island chain.
Central American Bushmaster
One of the largest venomous snakes in the Americas, a massive, reclusive pit viper of Central American rainforests.
Mexican Cantil
A dark, bold-patterned pit viper of Mexican tropical lowlands, closely related to the cottonmouth and copperhead.
Sakishima Habu
A medium-sized venomous pit viper endemic to the Sakishima Islands of southern Japan.
Terciopelo
A large, medically significant pit viper responsible for the majority of snakebite incidents across its Central American range.
Brazilian Lancehead
A medium to large lancehead pit viper of central Brazil's savanna, responsible for a significant number of snakebite cases in the region.
Eastern Copperhead
A copper-colored pit viper common across the eastern and central United States, known for its hourglass-shaped bands.