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.In ProgressCurrent stage of this record in the editorial review workflow. Recent Sighting
Caranx sexfasciatus
Bigeye Trevally
Quoy & Gaimard, 1825
Detailed Texts Multi-lang
A deep-bodied, powerful fish with a distinctively large eye, silvery body with a dark spot on the gill cover, and a series of scutes along the lateral line.
Added by
Anonymous Curator
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Under Review
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).Actinopterygii
OrderRank below Class. Groups related families sharing common ancestry (e.g., Carnivora, Primates).Perciformes
FamilyRank below Order. Groups closely related genera (e.g., Felidae = cats, Canidae = dogs).Carangidae
GenusRank just above Species. The first word in the two-part binomial scientific name.Caranx
Taxonomic AuthorityThe scientist who first formally described and published this species, followed by the year of publication.Quoy & Gaimard, 1825
Record Completeness
93%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.
Summer
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 coastal reefs, lagoons, and offshore islands. Often found in large schools during the day near deep reef edges.BehaviourDaily activity patterns, movement, territory use, foraging style, and seasonal behavioral changes. Multi-lang
Highly active predator. Swims in schools by day and often becomes solitary or forms smaller groups at night.Social ActivitySocial structure: whether the species is solitary, paired, or colonial; hierarchy and communication. Multi-lang
Gregarious, often seen in large schools.Feeding GuildWhat the species eats, how it forages or hunts, and its role as a consumer in the food web. Multi-lang
Active predator in the water column.Trophic Chain DetailsSpecific interactions in local food webs: prey species, predators, competitors, and scavengers. Multi-lang
Opportunistic predator feeding on smaller fish, crustaceans, and cephalopods.Reproductive BehaviourMating strategies, courtship displays, nesting or spawning behavior, and parental care. Multi-lang
Broadcast spawners; eggs are released into open water and are pelagic.Physical Measures
Length (cm)
30.0 - 120.0 cm
Weight (Grams)
500 g - 18.00 kg
Offspring per cycleTypical number of young (live births, eggs, or seeds) produced by one adult in a single reproductive event or breeding season.50000 - 200000
Sexual DimorphismObservable physical differences between males and females of the same species (e.g., size, coloration, features).No
Lifespan
Sexual MaturityAge at which the individual becomes capable of reproducing for the first time.
3 - 5 Years
Gestation / IncubationDuration from fertilization to birth (mammals) or to hatching (egg-laying species).
--
Lifespan EstimatedExpected duration of life from birth to natural death under wild conditions.
Males10 - 20 Years
Females10 - 20 Years
Evolutionary AdaptationsInherited traits and behaviors that improve the species' survival and reproduction in its specific environment. Multi-lang
Possesses a streamlined body and high-stamina muscles suited for continuous swimming in open water.
Main ThreatsDocumented pressures reducing the population: habitat loss, hunting, disease, climate change, and invasive species. Multi-lang
Susceptible to overfishing by commercial and recreational fisheries.
Interesting FactsSurprising or notable facts that highlight what makes this species unique or ecologically important. Multi-lang
They form massive, synchronized schools that can contain hundreds of individuals, which serves as protection against larger predators.