Fer-de-Lance snake facts

Fer-de-Lance snakes are located from the lowlands Such as Belize, Honduras, Guatemala, Nicaragua, Panama and Costa Rica.

It’s also located in the northern regions of South America. Even the fer-de-lance is the snake from the genus Bothrops.

Their preferred habitats comprise most of moist environments situated in low to mid elevations around 2,000 feet (600 m) for example tropical rainforests. However, it may also be seen in different habitats such as the fossil forests of Mexico and lowlands to thorn woods, mountainous areas or savannah close lakes, streams or rivers or even in drier portions of deciduous woods.

The fer-de-lance or terciopelo may likewise be located at considerably higher elevations, for example at Mexico and Central America it is located everywhere from sea level around 3,900 to 4,300 feet (1,200 to 1,300 m). Mature specimens might be located in desert locations Though they are inclined to prevent drier regions with seasonal periods.

And in South America, it’s found even at greater elevations around 8,200 feet (2,500 m) at Venezuela and 8,660 feet (2,640 m) at Colombia. They’ll easily occupy land for plantations or places.

It is a really adaptable species, capable of flourishing in almost all lands, and therefore, it’s among the very abundant pit viper species on the planet. Compared to venomous snake species, the fer-de-lance is quite often found in human habitations these snakes have been believed more harmful to people.

The most frequent title fer-de-lance in the French was initially utilized to refer to this Martinique lancehead (Bothrops lanceolatus) located in the island of Martinique in the West Indies.

However in North America, the title fer-de-lance is frequently utilized to refer to snakes of the genus Bothrops, such as the frequent lancehead (Bothrops atrox).

​Strangely inside the states it occupies the title fer-de-lance is not employed, these snakes have been known by a number of other names that are common.

One of these common titles are terciopelo (velvet in Spanish), barba amarilla (“yellowish beard”) from Guatemala and Honduras, respectively taya equis at Colombia, cuaima at Venezuela, equis at Ecuador and Panama and nauyaca at México. Possibly the strangest title is”yellow-jawed tommygoff” or sometimes just”Yellowjaw” or even”Tommy Goff” utilized in Belize.

Such as other snakes in the genus Bothrops that the fer-de-lance as a wide, flattened head that quite different from the entire body. The mind is a medium to dark colour . however, it may be shameful, and at times have blotches or stripes less different or more.

The fer-de-lance normally steps from 4 to 6 feet (1.2 to 1.8 m) in length and might weigh up to 13 lbs (6 kg). Girls have heavy and thicker bodies and are larger than men.

Though no subspecies are recognizedthey were previously considered a subspecies of common lancehead (Bothrops atrox) and can be often confused with that.

fer de lance

How poisonous is the fer de lance?

The fer-de-lance will be the most important reason for snakebite episodes within its own range and sting signs include acute pain, acute swelling, tingling, nausea, nausea, headache, swelling, and necrosis. They have a quick and powerful hemotoxic venom.

They’re thought to be the most dangerous snake species from Costa Rica, in charge of nearly half of snakebites and 1/3 of hospitalization cases. A lot of men and women are murdered in its scope from the fer-de-lance.

Douglas March a renowned herpetologist expired after being bitten by a fer-de-lance. But in spite of its elevated venom return and enormous fangs (approximately 1 inch from massive females), the species has a very low mortality rate approximately 1 to 2 percent.

The particular antivenom is very successful, but oftentimes, the tissue necrosis is very intense and amputations are extremely frequent, those bitten wind up losing limbs or even regions of the extremities. Occasionally for example, in areas of the human body from the sting site, individuals bitten in the body may call for a fur or perhaps an whole foot amputation.

The fer-de-lance venom return by dry weight averages about 458 milligrams, also as an intraperitoneal LD50 significance in mice of 2.844 mg/kg. Researchers utilized a hydrogel infused can shut bleeding down in moments. Additionally, there are studies to utilize the venom.

Fer-de-Lance Diet

Their dimensions and durability, together with its extremely toxic venom create them exceptionally successful predators. On account of this supply that is vast that is terciopelo, its eating habits incorporate a vast assortment of prey.

The snakes feed chiefly on small lizards or even massive insects such as centipedes, while adults feed on mammals, amphibians, reptiles and other snakes.

In Ecuador, the fer-de-lance or even terciopelo feeds mostly on rodents, even whilst at the island of Trinidad they feed almost everything out of rodents, small mammals, lizards, dinosaurs, birds and even crayfish.

At Costa Rica, adults are known to feed on rats, rats, opossums and other insects, in addition to cows, rabbits, and geckos.


These snakes have been regarded as the most successful in all the Americas. Sexual maturity is reached by the species while men average at 100 cm. Even the terciopleo is viviparous, meaning females do not lay eggs.

The terciopelo or even fer-de-lance breeding period occurs generally during the rainy season when food is also offered. Time and the species breeding customs varies Considering that the terciopelo is present in a large selection. Females can keep sperm letting them delay fertilization.

For instance in the Pacific area, they partner from September to November, and females give birth between April and June. Even though the Atlantic inhabitants found in Costa Rica possess births between September and November and the breeding period in March.

The female’s size determines the amount of offspring generated. Women give birth anywhere from 5 to 86 young after a gestation period of 6 to eight months.


The species is currently in decline in Ecuador because of deforestation, urbanization, pollution and agriculture. However, they’re a really adaptable species and therefore so are still located in suburban and open zones, though they are not yet assessed, it is considered a”Least Concern” species in the IUCN Red List.

In different parts of its array such as Costa Rica, the individual effect has been largely positive since the fer-de-lance is really capable of flourishing in agricultural surroundings such as banana, cacao and coffee areas. Prey there is a negative influence on public numbers, including decreasing when the adjustments to their surroundings are more extreme.

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