| Lachesis stenophrys | |
|---|---|
 | |
Scientific classification  | |
| Domain: | Eukaryota |
| Kingdom: | Animalia |
| Phylum: | Chordata |
| Class: | Reptilia |
| Order: | Squamata |
| Suborder: | Serpentes |
| Family: | Viperidae |
| Genus: | Lachesis |
| Species: | L. stenophrys |
| Binomial name | |
| Lachesis stenophrys Cope, 1876 | |
| Synonyms [2] [3] | |
Lachesis stenophrys, commonly called the Central American bushmaster, [4] is a species of venomous pit viper in the family Viperidae. The species is native to Central America. [3]
The specific name, stenophrys, is derived from the Greek words stenos, meaning "narrow", and ophrys, meaning "brow" or "eyebrow". [5] There are no subspecies that are recognized as being valid. [3] [6] Campbell and Lamar (2004) also recognized Lachesis acrochorda (García, 1896) as a valid species, [5] which McDiarmid et al. (1999) had treated as a synonym of L. stenophrys. [2] The Reptile Database follows the position of Campbell and Lamar. [3]
Adults of L. stenophrys commonly grow to more than 200 cm (6 feet 6¾ inches) and may exceed 330 cm (10 feet 10 inches) in total length (including tail). Ditmars (1910) reported a specimen from Costa Rica that was 11 feet 4 inches (349 cm). Many accounts exist of much larger specimens, but these are poorly documented. Solórzano (2004) cites historical records that put the maximum length at 360 cm (11 feet 9¾ inches).
It has a broadly rounded head and a snout that is not elevated. Typically, the species has a pronounced middorsal ridge that is most distinct on the last quarter of the body. [5]
L. stenophrys is found in Central America in the Atlantic lowlands of southern Nicaragua, Costa Rica and Panama, as well as the Pacific lowlands of central and eastern Panama. The type locality given is "Sipurio" (Limón Province, Costa Rica). [2]
L. stenophrys occurs in tropical rainforest and lower montane wet forest where annual precipitation averages 2,000-4,000 mm (79–157 inches), which is heavy to extremely heavy rainfall. In the drier areas of Nicaragua, it can be found in gallery forests as well as forests that are seasonally dry, but then never far from sources of water. This species is hardly ever encountered outside of old growth forest. [5] It is found at altitudes from sea level to 1,100 m (3,600 ft). [1]
L. stenophrys is terrestrial and nocturnal. [1]
L. stenophrys preys predominately upon spiny rats and other small rodents. [1]
Lachesis is a genus of venomous pit vipers in the family Viperidae. Member species are found in forested areas of the Neotropics. The generic name refers to one of the Three Fates, Lachesis, who determined the length of the thread of life. Four species are currently recognized as being valid.
The Crotalinae, commonly known as pit vipers, or pit adders, are a subfamily of vipers found in Eurasia 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. Currently, 23 genera and 155 species are recognized: These are also the only viperids found in the Americas. The groups of snakes represented here include rattlesnakes, lanceheads, and Asian pit vipers. The type genus for this subfamily is Crotalus, of which the type species is the timber rattlesnake, C. horridus.
Lachesis muta, also known as the Southern American bushmaster or Atlantic bushmaster, is a venomous pit viper species found in South America, as well as the island of Trinidad in the Caribbean. Two subspecies are currently recognized, including the nominate subspecies described here.
Cerrophidion is a genus of venomous pitvipers which are endemic to southern Mexico, Central America, and western Panama. The generic name, Cerrophidion, is derived from the Spanish word cerro, which means "mountain", and the Greek word ophidion, which means "small snake". Five species are recognized as being valid, but no subspecies are.
Crotalus simus is a venomous pit viper species found in Mexico and Central America. The specific epithet is Latin for "flat-nosed", likely because its head is blunt compared with lanceheads (Bothrops). Three subspecies are recognized, including the nominate subspecies described here.
Metlapilcoatlus nummifer, commonly known as Mexican jumping pitviper or jumping viper, is a venomous pit viper species endemic to Mexico.
Atropoides picadoi, also known as Picado's jumping pitviper, is a species of venomous snake, a pitviper in the subfamily Crotalinae of the family Viperidae. The species is endemic to Costa Rica. There are no subspecies that are recognised as being valid. It is monotypic in the genus Atropoides.
Cerrophidion godmani is a venomous pit viper species native to southern Mexico and Guatemala. No subspecies are recognized as being valid. It is also known commonly as Godman's montane pit viper or Godman's pit viper.
Porthidium nasutum is a venomous pitviper species found in southern Mexico, Central America and northern South America. No subspecies are currently recognized.
Porthidium lansbergii is a species of venomous snake, a pitviper in the family Viperidae. The species is endemic to Central and South America. Four subspecies are recognized, including the nominate subspecies described here.
Trimeresurus sumatranus is a species of venomous pitviper found in the tropical forests of Indonesia, Malaysia and Thailand. Arboreal by nature, its coloration is pale to neon-green, with some black vertical markings, and a red-tipped tail. As with other vipers, this species has prominent, “keeled” scales, which appear somewhat raised and give the snake a rough-textured appearance. Common names include Sumatran pitviper, Sumatran tree viper, and Sumatran pit viper.
Agkistrodon howardgloydi is a species of venomous snake, a pit viper (Crotalinae), that is endemic to Central America. It is most commonly called castellana,but it has also been called the southern cantil, Gloyd's moccasin, and a number of other colloquial names. It is a rare species with a relatively small geographic distribution in the tropical dry forest on the Pacific coast of Honduras, Nicaragua, and extreme northwest Costa Rica. Agkistrodon howardgloydi is a stout, medium-sized snake with a maximum length of 96 cm. It is a viviparous species, with female giving birth in the rainy season from May to August. No clinical reports on envenomation had been published, but laboratory texts and analysis indicate the venom is highly toxic and similar to its close relative Agkistrodon bilineatus, and potentially lethal.
Metlapilcoatlus mexicanus is a venomous pitviper species endemic to Mexico and Central America.
Metlapilcoatlus occiduus is a venomous pitviper subspecies endemic to southern Mexico, Guatemala, and El Salvador.
Lachesis acrochorda, also known commonly as the Chocoan bushmaster, is a species of venomous pit viper in the family Viperidae. The species is native to Central America and South America.
Lachesis melanocephala is a species of venomous pit viper in the family Viperidae. The species is native to Costa Rica and Panama. There are no subspecies that are recognized as being valid.
Porthidium ophryomegas is a venomous pitviper species found in Central America. No subspecies are currently recognized.
Porthidium volcanicum, the Ujarran hognosed pitviper, is a venomous pitviper species endemic to Costa Rica. No subspecies are currently recognized.
Bothrocophias campbelli, commonly known as Campbell's toadheaded viper, the Ecuadorian toadheaded pitviper, and víbora boca de sapo in Spanish, is a species of venomous pitviper in the family Viperidae. The species is endemic to South America. No subspecies are currently recognized.
Bothrops lutzi, the Cerrado lancehead, is a species of venomous snake in the family Viperidae. The species is endemic to Central eastern Brazil. Within the country, it can be found in states such as: Minas Gerais, Bahia, Goiás, Tocantins, Piauí, and Ceará. The South American viper has sparked an interest from the scientific community due to its venom, as it is believed to have some therapeutic potential. Scientists have found that the venom carried by B. lutzi has antibacterial and antiparasitic effects, which can help fight against microbial resistance by medical patients, as well as parasitic diseases like leishmaniosis and Chagas’ disease.
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