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Agkistrodon piscivorus is a species of venomous snake, a pit viper in the subfamily Crotalinae of the family Viperidae. It is one of the world's few semiaquatic vipers (along with the Florida cottonmouth), and is native to the Southeastern United States. [5] As an adult, it is large and capable of delivering a painful and potentially fatal bite.
The Crotalinae, commonly known as pit vipers, [2] [3] or pit adders, are a subfamily of vipers found in Asia and the Americas. Like all other vipers, they are venomous . They are distinguished by the presence of a heat-sensing pit organ located between the eye and the nostril on both sides of the head.
The terciopelo (Bothrops asper) [note 1] is a species of pit vipers, found from north-east Mexico to northern South America. [6] At low to moderate elevations, its habitat ranges from northeastern Mexico to Colombian and Ecuadorian Andes, as well as Venezuela. [3]
Bothrops insularis, commonly known as the golden lancehead, [3] is a species of extremely venomous pit viper in the subfamily Crotalinae of the family Viperidae.The species is found exclusively on the island of Ilha da Queimada Grande, off the coast of São Paulo state, in Brazil. [3]
Although venomous, eastern copperheads are generally not aggressive and bites are rarely fatal. [38] Copperhead venom has an estimated lethal dose around 100 mg, and tests on mice show its potency is among the lowest of all pit vipers, and slightly weaker than that of its close relative, the cottonmouth. [39]
Bothrops is a genus of highly venomous pit vipers endemic to the Neotropics. [1] The generic name, Bothrops, is derived from the Greek words βόθρος, bothros, meaning ' pit ', and ὄψ, ops, meaning ' eye ' or ' face ', together an allusion to the heat-sensitive loreal pit organs.
Gloydius blomhoffii, commonly known as the mamushi, [3] Japanese moccasin, Japanese pit viper, Qichun snake, Salmusa or Japanese mamushi, [4] is a pit viper species found in Japan. It was once considered to have 4 subspecies, but it is now considered monotypic.
Tropidolaemus wagleri, more commonly known as Wagler's pit viper, is a species of venomous snake, a pit viper in the subfamily Crotalinae of the family Viperidae. The species is endemic to Southeast Asia .