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.
Madagascar Ground Boa
A large, heavy-bodied terrestrial boa endemic to Madagascar, distinguished from its tree-dwelling relative by its stouter build and ground-dwelling habits.
Northern Green Anaconda
One of the world's largest and heaviest snakes, this massive semi-aquatic constrictor dominates the rivers and wetlands of the Amazon and Orinoco basins.
Yellow Anaconda
A large, semi-aquatic constrictor of South American wetlands, smaller than its relative the green anaconda but still among the heaviest snakes in the Americas.
Common Sand Boa
A short, stout, patterned burrowing boa common across dry and semi-arid regions of the Indian subcontinent.
Haitian Boa
A large constrictor native to the island of Hispaniola, adaptable to varied habitats from forest to rocky terrain and known for its variable striped or blotched patterning.
Oaxacan Dwarf Boa
A rare, small forest boa endemic to a limited cloud forest region of Oaxaca, Mexico, and known from relatively few specimens.
Marajo Rainbow Boa
A rainbow boa population native to Marajo Island in the Amazon River delta, displaying the characteristic iridescent sheen of its genus.
Annulated Tree Boa
A slender, ring-patterned arboreal boa found in Central American and northwestern South American forests, named for the ring-like blotches along its body.
Viper Boa
A short, stout ground boa that mimics the appearance of a viper despite being harmless.
Pacific Ground Boa
A small, variably colored ground boa found across New Guinea and nearby Indo-Pacific islands.
Blomberg's Tree Boa
A slender, less commonly encountered tree boa native to western Ecuador and Colombia, named after Swedish explorer Rolf Blomberg.
Turks Island Boa
A small West Indian boa endemic to the Turks and Caicos Islands and nearby southern Bahamian islands.
Red Sand Boa
A thick-bodied, burrowing boa with a blunt tail often mistaken for a second head, prized illegally in wildlife trafficking.
Sand Boa
A small, stout, burrowing boa adapted for a life spent mostly beneath sand and loose soil in South Asia's dry habitats.
Madagascar Tree Boa
An arboreal, heavy-bodied boa endemic to Madagascar, known for its variable green, brown, or reddish coloration and strong prehensile tail.
Crooked-Acklins Boa
A West Indian boa endemic to the Crooked Island and Acklins Island group in the southern Bahamas.
Rubber Boa Northern
A small, smooth-skinned, docile boa from western North America named for its rubbery, loose-fitting skin.
Puerto Rican Boa
A large, nocturnal boa endemic to Puerto Rico, considered threatened due to habitat loss and historically classified as a federally listed species of concern.
Mona Boa
A small West Indian boa endemic to Mona Island and nearby islands in the Puerto Rican bank.
Indian Sand Boa
A robust, two-headed-looking burrowing boa from South Asia, prized historically for folklore and traditional beliefs about its blunt tail.
Anaconda
One of the heaviest snakes on Earth, a massive semi-aquatic constrictor of South American rivers and swamps.
Ruschenberger's Tree Boa
A slender, arboreal tree boa of Central America and northern South America closely related to the common tree boa.
Espirito Santo Rainbow Boa
A regional form of Brazilian rainbow boa from eastern Brazil known for its iridescent sheen and vivid patterning.
Abaco Island Boa
A population of Bahamian boa specifically associated with the Abaco Islands in the northern Bahamas.
Bolivian Anaconda
A recently described anaconda species from the Bolivian lowlands, considered by some to be a possible hybrid population.
Panamanian Dwarf Boa
A small arboreal dwarf boa closely associated with Panama's tropical forests, sharing much of its biology with the Central American Dwarf Boa.
Dwarf Sand Boa
A small, sandy-colored burrowing boa widespread across Central Asian deserts and steppe, one of the more common sand boas in the region.
Fiji Boa
The largest species in the genus Candoia, native to Fiji and found also in the Solomon Islands.
Emerald Tree Boa
A vivid green, arboreal boa of the Amazon rainforest, prized for its striking coloration and specialized ambush-hunting posture.
Rainbow Boa
A South American boa renowned for its iridescent sheen, which produces a shimmering rainbow effect in direct sunlight.
Grenada Bank Tree Boa
An arboreal boa endemic to Grenada and its associated Grenadine islands, adapted to island forest habitats and closely related to mainland Corallus species.
Saharan Sand Boa
A burrowing sand boa of the Saharan and Sahelian regions of Africa, adapted for life beneath loose desert sand.
Cuban Boa
The largest native snake in Cuba, a powerful constrictor known for hunting bats at cave entrances and adapting to a range of habitats across the island.
Northern Emerald Tree Boa
A vividly green arboreal boa of the northern Amazon rainforest, famous for its bright coloration, prominent white markings, and elongated front teeth adapted for gripping birds and mammals.
Dark-Spotted Anaconda
A rare, poorly known anaconda species restricted to coastal marshes of northeastern Brazil and French Guiana.
Ford's Boa
A tiny, rough-scaled leaf-litter dwarf boa from the wet forests of the Choco region, rarely seen due to its cryptic habits.
Rubber Boa
A small, docile boa with loose, wrinkled skin resembling rubber, found at higher elevations and cooler climates than most other boas.
Southern Rubber Boa
A small, smooth-skinned boa from southern California mountain ranges, closely related to the more widespread rubber boa.
Tartar Sand Boa
A stout, burrowing boa of Central Asian deserts and steppe, adapted for a fossorial lifestyle with a blunt tail and small eyes.
Central American Boa
A widespread, adaptable boa found from Mexico through Central America, closely related to the South American boa constrictor.
Colombian Rainbow Boa
A medium-sized boa prized for its iridescent sheen, which produces a rainbow-like shimmer on its scales under direct light.
Argentine Rainbow Boa
A southern member of the rainbow boa group native to drier habitats of Argentina and neighboring countries, notable for its iridescent scales and relatively subdued coloration.
Palau Ground Boa
A lesser-known Pacific ground boa whose taxonomy and precise range have historically been debated among herpetologists.
Calabar Boa
A cylindrical, burrowing boa-like snake from West and Central Africa with a distinctive blunt tail used to confuse predators.
Northern Eyelash Boa
A small, heavily keeled forest-floor boa from Central and South America named for the spiny scales above its eyes.
Bengal Sand Boa
A stout, burrowing South Asian boa with rough, patterned scales, often mistaken for a venomous species due to its blunt tail.
Egyptian Sand Boa
A stout, burrowing boa of arid African and Middle Eastern regions, easily recognized by its blunt tail, small eyes set high on the head, and habit of ambushing prey from beneath the sand.
Brazilian Rainbow Boa
A vividly patterned constrictor famous for the iridescent sheen of its scales, which produces a rainbow-like shimmer in direct sunlight.