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Crotalus basiliscus. Crotalus basiliscus, known as the Mexican west coast rattlesnake, [3] Mexican green rattler, and also by other names, [4] is a species of pit viper in the family Viperidae. The species is endemic to western Mexico. Like all other pit vipers, it is venomous. The specific name, basiliscus, is derived from the Greek word for ...
Although most colubrids are nonvenomous (or possess venom that has no notable effect on humans), some species, such as those in the genus Boiga, can produce bites with significant medical effects. Colubrids form the largest family of snakes. 134 species of colubrids occur in Mexico. [6] Arizona elegans Kennicott 1859; Bogertophis rosaliae ...
The longest venomous snake, with a length up to 18.5–18.8 ft (5.6–5.7 m), is the king cobra, [1] while contesters for the heaviest title include the Gaboon viper and the Eastern diamondback rattlesnake. All of these three species reach a maximum mass in the range of 6–20 kg (13–44 lb).
Boa imperator (or Boa constrictor imperator in common usage) is a large and heavy-bodied arboreal species [4] of nonvenomous, constrictor-type snake in the family Boidae.One of the most popular pet snakes (often bred in captivity) in the world, B. imperator's native range is from Mexico through Central and South America (west of the Andes Mountains, mainly in Colombia), with local populations ...
Draco Oken, 1816. Anacondas or water boas are a group of large boas of the genus Eunectes. They are a semiaquatic group of snakes found in tropical South America. Three to five extant and one extinct species are currently recognized, including one of the largest snakes in the world, E. murinus, the green anaconda. [3][4][5]
The Gila monster is the largest extant lizard species native to North America north of the Mexican border. Its snout-to-vent length ranges from 26 to 36 cm (10 to 14 in). The tail is about 20% of the body size, and the largest specimens may reach 51 to 56 cm (20 to 22 in) in total length.
The western diamondback rattlesnake[3] or Texas diamond-back[4] (Crotalus atrox) is a rattlesnake species and member of the viper family, found in the southwestern United States and Mexico. Like all other rattlesnakes and all other vipers, it is venomous. It is likely responsible for the majority of snakebite fatalities in northern Mexico and ...
The largest recorded specimen was 3.65 m (almost 12 feet) long, making the species the largest of all vipers and the longest venomous snake in the Western Hemisphere. [5] Lachesis muta is the third longest venomous snake in the world, exceeded in length only by the king cobra and the black mamba.