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
Craugastor gollmeri
Gollmer's robber frog
Peters, 1863
Detailed Texts Multi-lang
Robust, medium-sized frog with rough skin, often with cryptic coloration in shades of brown and gray, allowing it to blend perfectly with the leaf litter.
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).Chordata
ClassRank below Phylum. Subdivides by structural traits (e.g., Mammalia, Aves, Reptilia, Insecta).Amphibia
OrderRank below Class. Groups related families sharing common ancestry (e.g., Carnivora, Primates).Anura
FamilyRank below Order. Groups closely related genera (e.g., Felidae = cats, Canidae = dogs).Craugastoridae
GenusRank just above Species. The first word in the two-part binomial scientific name.Craugastor
Taxonomic AuthorityThe scientist who first formally described and published this species, followed by the year of publication.Peters, 1863
Record Completeness
94%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
Inhabits the floor of humid lowland forests and mountain foothills, preferring areas with abundant leaf litter.BehaviourDaily activity patterns, movement, territory use, foraging style, and seasonal behavioral changes. Multi-lang
Mainly nocturnal, moves actively on the forest floor in search of food.Social ActivitySocial structure: whether the species is solitary, paired, or colonial; hierarchy and communication. Multi-lang
Solitary, prefers to avoid direct light and hides under vegetation.Feeding GuildWhat the species eats, how it forages or hunts, and its role as a consumer in the food web. Multi-lang
Ambush hunter, uses its sticky tongue to capture prey.Trophic Chain DetailsSpecific interactions in local food webs: prey species, predators, competitors, and scavengers. Multi-lang
Consumes small insects, spiders, and other invertebrates present in the mulch.Reproductive BehaviourMating strategies, courtship displays, nesting or spawning behavior, and parental care. Multi-lang
Terrestrial reproduction; the female deposits eggs in nests in the leaf litter.Physical Measures
Length (cm)
3.0 - 5.0 cm
Weight (Grams)
5 g - 15 g
Offspring per cycleTypical number of young (live births, eggs, or seeds) produced by one adult in a single reproductive event or breeding season.5 - 15
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.
1 Years
Gestation / IncubationDuration from fertilization to birth (mammals) or to hatching (egg-laying species).
20 - 30
Lifespan EstimatedExpected duration of life from birth to natural death under wild conditions.
Males--
Females--
Sexual DimorphismPhysical differences in size, coloration, or morphology between males and females of this species.
Males Multi-lang
Generally smaller, with more evident vocal sacs.
Females Multi-lang
Larger size and wider body, necessary for egg production.
Evolutionary AdaptationsInherited traits and behaviors that improve the species' survival and reproduction in its specific environment. Multi-lang
Direct development: its eggs hatch directly into small froglets, omitting the free-swimming tadpole stage.
Main ThreatsDocumented pressures reducing the population: habitat loss, hunting, disease, climate change, and invasive species. Multi-lang
Mainly forest habitat destruction and climate change that alters soil moisture levels.
Interesting FactsSurprising or notable facts that highlight what makes this species unique or ecologically important. Multi-lang
This species does not depend on water bodies to reproduce, which allows it to colonize forested areas far from rivers or lakes.