Explore 36,937 Species
Elegant pitviper
Protobothrops elegans (Gray, 1849)
Protobothrops elegans is a pitviper found in southern Japanese Ryukyu Islands, w…
Yucatán Hognose Viper
Porthidium yucatanicum (Smith, 1941)
Porthidium yucatanicum is a moderately stout terrestrial viper found in the nort…
Rainforest Hognose Viper
Porthidium nasutum (Bocourt, 1868)
Porthidium nasutum is a moderately stout terrestrial pitviper found in lowland f…
Slender Hognose Viper
Porthidium ophryomegas (Bocourt, 1868)
Porthidium ophryomegas is a Central American pit viper with defined size, color …
Lansberg's Hognose Viper
Porthidium lansbergii (Schlegel, 1841)
Porthidium lansbergii is a moderately slender terrestrial viviparous snake found…
Dunn's Hognose Viper
Porthidium dunni (Hartweg & Oliver, 1938)
Porthidium dunni is a moderately stout terrestrial ovoviviparous viper found in …
Chinese Mountain Pit Viper
Ovophis monticola (Günther, 1864)
Ovophis monticola is a stout Asian pit viper with distinct scale patterns and re…
Okinawa Pitviper
Ovophis okinavensis (Boulenger, 1892)
Ovophis okinavensis is a Japanese pitviper found in the Ryukyu Islands that can …
Tonkin Pit Viper
Ovophis tonkinensis (Bourret, 1934)
Ovophis tonkinensis is an Asian pit viper species with defined morphological tra…
Taiwan mountain pitviper
Ovophis makazayazaya (Takahashi, 1922)
Ovophis makazayazaya is a snake species with described size, sexual dimorphism, …
South American Bushmaster
Lachesis muta (Linnaeus, 1766)
Lachesis muta is a large South American pit viper, the longest venomous snake in…
Chocoan bushmaster
Lachesis acrochorda (Garcia, 1896)
Lachesis acrochorda is an oviparous snake species found in northwestern South Am…
Hump-nosed Viper
Hypnale hypnale (Merrem, 1820)
Hypnale hypnale is a stout viper species found in southwestern India and Sri Lan…
Lowland Hump-nosed Viper
Hypnale zara (Gray, 1849)
Hypnale zara is an ovoviviparous species with distinct scale patterns and colora…
Ussuri Mamushi
Gloydius ussuriensis (Emelianov, 1929)
Gloydius ussuriensis is a venomous pitviper found in far east Russia, northeaste…
Himalayan Pitviper
Gloydius himalayanus (Günther, 1864)
Gloydius himalayanus is a highland pit viper living along southern Himalayan slo…
Halys Pit Viper
Gloydius halys (Pallas, 1776)
Gloydius halys is a moderately stout pit viper with a defined physical descripti…
Short-tailed Mamushi
Gloydius blomhoffii (Boie, 1826)
Gloydius blomhoffii is one of Japan's most venomous pit vipers, found in a range…
Short-tailed Mamushi
Gloydius brevicauda (Stejneger, 1907)
Gloydius brevicauda is a short-tailed stout viper found in northeast China and t…
Central Asian Pitviper
Gloydius intermedius (Strauch, 1868)
This is a description of Gloydius intermedius, covering its physical traits, sca…
Metlapilcoatlus borealis Tepos-Ramírez, Flores-Villela, Velasco, Lara, García-Rubio & Jadin, 2021
Metlapilcoatlus borealis Tepos-Ramírez, Flores-Villela, Velasco, Lara, García-Rubio & Jadin, 2021
Metlapilcoatlus borealis is a medium-sized viper species first described in 2021…
Central American Jumping Pit Viper
Metlapilcoatlus mexicanus (Duméril, Bibron & Duméril, 1854)
Metlapilcoatlus mexicanus is an extremely stout-bodied species ranging from sout…
Borneo Pit Viper
Craspedocephalus borneensis (Peters, 1872)
Craspedocephalus borneensis is a Bornean pit viper with variable coloration, fou…
Common Bamboo Viper
Craspedocephalus gramineus (Shaw, 1802)
Craspedocephalus gramineus, the Bamboo Pit Viper, is a venomous arboreal ovovivi…
