AnimaliaIUCN LCIn Progress Recent Sighting
Bothrops asper
Fer-de-Lance
(Garman, 1883)
Detailed Texts Multi-lang
Highly venomous snake with a pattern of dark triangles on its sides.
Added by
Gerardo Venegas
Reviewed by
Under Review
Last modified by
Gerardo Venegas
Other Names (Global)
Barba amarillaEquis
Fer-de-lanceTerciopeloTaxonomy
PhylumChordata
ClassReptilia
OrderSquamata
FamilyViperidae
GenusBothrops
Taxonomic Authority(Garman, 1883)
Ecology & Status
Origin
Native
Population Trend
Stable
Breeding Season
Wet Season
Trophic Role
Carnivore
Recent Sightings
Yes
Habitat Summary Multi-lang
Inhabits lowland tropical rainforests and often near human settlements.Behaviour Multi-lang
Mainly nocturnal and terrestrial, it is known for being irritable and fast.Social Activity Multi-lang
Solitary species that only comes together for mating.Feeding Guild Multi-lang
Carnivore. Feeds on small mammals, birds, lizards, and frogs.Trophic Chain Details Multi-lang
Apex predator that controls rodent populations in its ecosystem.Reproductive Behaviour Multi-lang
Viviparous. Can give birth to up to 80 live young in a single litter.Physical Measures
Length (cm)
120.0 - 250.0 cm
Weight (Grams)
500 g - 6.00 kg
Offspring per cycle20 - 80
Sexual DimorphismYes
Lifespan
Sexual Maturity
2 - 4 Years
Gestation / Incubation
6 - 8
Lifespan Estimated
Males15 - 20 Years
Females15 - 20 Years
Sexual Dimorphism
Males Multi-lang
Males are significantly smaller than females.
Females Multi-lang
Females are much larger and can produce massive litters.
Evolutionary Adaptations Multi-lang
Its loreal pits allow it to detect the heat of its prey in the dark.
Cryptic coloration that allows it to blend perfectly with forest leaf litter.
Main Threats Multi-lang
Human persecution due to fear and habitat loss.
Interesting Facts Multi-lang
It is responsible for most serious snakebite accidents in Central America.
Unlike other vipers, the Fer-de-lance is very prolific, capable of having litters of over 80 individuals.
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