AnimaliaHighest rank in taxonomy. Groups all life into domains: Animalia, Plantae, Fungi, etc.IUCN LCInternational Union for Conservation of Nature — the world authority on species extinction risk, using standardized criteria. — Least Concern — widespread and abundant; not at immediate risk of extinction.ApprovedCurrent stage of this record in the editorial review workflow. Recent Sighting
Brachypelma albopilosum
Curlyhair tarantula
Valerio, 1980
Detailed Texts Multi-lang
Robust tarantula covered in long, curly bronze or golden hairs on a dark background, giving it a very distinctive fluffy appearance.
Added by
Anonymous Curator
Reviewed by
Julia Trouin
Last modified by
Julia Trouin
TaxonomyBiological classification ranks placing this species within the tree of life, from Kingdom down to Genus.
PhylumRank below Kingdom. Groups organisms sharing a fundamental body plan (e.g., Chordata = vertebrates and some invertebrates).Arthropoda
ClassRank below Phylum. Subdivides by structural traits (e.g., Mammalia, Aves, Reptilia, Insecta).Arachnida
OrderRank below Class. Groups related families sharing common ancestry (e.g., Carnivora, Primates).Araneae
FamilyRank below Order. Groups closely related genera (e.g., Felidae = cats, Canidae = dogs).Theraphosidae
GenusRank just above Species. The first word in the two-part binomial scientific name.Brachypelma
Taxonomic AuthorityThe scientist who first formally described and published this species, followed by the year of publication.Valerio, 1980
Record Completeness
96%Coming soon
Ecology & StatusHow this species lives: habitat preferences, diet, behavior, population status, and role in its ecosystem.
OriginWhether the species is native (evolved here), endemic (found only here), or introduced by human activity.
Native
Population TrendDirection of change in population size over time: increasing, stable, decreasing, or unknown.
Stable
Breeding SeasonTime of year when this species typically reproduces or flowers.
Year Round
Trophic RolePosition in the food chain: producer, herbivore, carnivore, omnivore, decomposer, or parasite.
Carnivore
Recent SightingsWhether this species has been observed in the wild in Costa Rica within recent years.
Yes
Habitat SummaryOverview of the specific ecosystems and environments where this species is found in Costa Rica. Multi-lang
Native to tropical forests and humid mountainous areas, where it seeks shelter under fallen logs or in burrows at the base of trees.BehaviourDaily activity patterns, movement, territory use, foraging style, and seasonal behavioral changes. Multi-lang
Mainly nocturnal, spending the day in its burrows.Social ActivitySocial structure: whether the species is solitary, paired, or colonial; hierarchy and communication. Multi-lang
Terrestrial and generally docile behavior.Feeding GuildWhat the species eats, how it forages or hunts, and its role as a consumer in the food web. Multi-lang
Hunts by ambushing prey that pass near its shelter.Trophic Chain DetailsSpecific interactions in local food webs: prey species, predators, competitors, and scavengers. Multi-lang
Insectivorous predator of importance in local biological control.Reproductive BehaviourMating strategies, courtship displays, nesting or spawning behavior, and parental care. Multi-lang
Males travel long distances in search of receptive females.Physical Measures
Length (cm)
12.0 - 16.0 cm
Weight (Grams)
15 g - 40 g
Offspring per cycleTypical number of young (live births, eggs, or seeds) produced by one adult in a single reproductive event or breeding season.300 - 800
Sexual DimorphismObservable physical differences between males and females of the same species (e.g., size, coloration, features).Yes
Lifespan
Sexual MaturityAge at which the individual becomes capable of reproducing for the first time.
2 - 3 Years
Gestation / IncubationDuration from fertilization to birth (mammals) or to hatching (egg-laying species).
60 - 90
Lifespan EstimatedExpected duration of life from birth to natural death under wild conditions.
Males3 - 5 Years
Females10 - 15 Years
Sexual DimorphismPhysical differences in size, coloration, or morphology between males and females of this species.
Males Multi-lang
Males are thinner and have hooks on the front tibiae.
Females Multi-lang
Females are larger and more robustly built.
Evolutionary AdaptationsInherited traits and behaviors that improve the species' survival and reproduction in its specific environment. Multi-lang
Dense urticating hairs on the abdomen that it actively disperses when threatened.
Main ThreatsDocumented pressures reducing the population: habitat loss, hunting, disease, climate change, and invasive species. Multi-lang
Habitat loss due to agricultural expansion and collection for the pet trade.
Interesting FactsSurprising or notable facts that highlight what makes this species unique or ecologically important. Multi-lang
It is considered one of the best species for beginners in the tarantula hobby due to its calm temperament.