In the first half of the 20th century as well as in the 1950s and 1960s, 12% of treated cases ended fatally. Keep reading to learn more about this wonderful animal. As dozens of blood transfusions kept him alive, doctors finally found the closest anti-venom at a zoo in Seattle. On average, these snakes inject 105 mg of venom in one bite while the fatal dose for a human is 50 mg. To prevent water loss where they occur in drier regions, these snakes possess more scales than usual. Fer-de-lance snake. However, the dangerous ones more than make up for it. Length of fangs. Perhaps the most lethal snake in Costa Rica is the fearsome fer-de-Lance. It is known to be very aggressive, and it is a large and strong-bodied snake.. Venomous snakebites per year estimated worldwide. The fer-de-lance is considered one of the most dangerous snakes in Costa Rica. According to data from the Universidad de Costa Rica, an average of 600 people is bitten by snakes throughout the country every year. The name "fer-de-lance" means "spearhead" in French. Average venom yield in a bite. Yucatan snakes found in Hacienda Chichen Resort's private Maya Jungle Reserve, home of endemic, venomou,s snake spiecies, etc. After the fer-de-lance (Bothrops asper), it is the most common cause of snake envenoming. In spite of that, Costa Rica is a reference model on how to face the problem of poisoning by snake bites. Information and photos. Costa Rica Wildlife – 9 Facts About Fer de Lance. Fer-de-Lance. Its name is derived from a French expression, meaning "iron of the lance" ; … Those are called Bothreichis. At the forefront of the fight is the Clodomiro Picado Research Institute (ICP). In the first half of the 20th century as well as in the 1950s and 1960s, 12% of treated cases ended fatally. Although they are not called Fer de Lance snakes or lanceheads, a number of South American species are closely related to the Fer de Lance. Toxicity of venom. Learn about them, these snakes are protected due to their being endanger of extinction: Yucaatan Neotropical Rattlesnake its Maya name is"Tzabcan", Yucatan Cantil its Maya name is "Uol poch", Yucatan Hognose Pitviper its Maya name is Chac can. The asper Fer De Lance also goes under the name terciopelo. Average size of an adult snake of this species. 9. This venomous snake thrives and isn’t shy in areas inhabited by people where large rat populations exist. The fer de lance (Bothrops Asper) is nocturnal and generally lives in humid forests. The venom of some species, including the Okinawa habu (T. flavoviridis), an aggressive snake that often enters human dwellings in the Ryukyu Islands, is mildly dangerous. ... And since each snake species makes its own unique blend of toxins, most venoms need a specific antivenom. Fortunately for visitors, most of the reptiles found in Costa Rica are perfectly harmless. 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