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
Mycteroperca bonaci
Black Grouper
(Poey, 1860)
Detailed Texts Multi-lang
A large, robust predatory fish with an elongated body, olive-grey coloration with dark, rectangular, blotchy markings, and a tail with squared-off corners.
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).Serranidae
GenusRank just above Species. The first word in the two-part binomial scientific name.Mycteroperca
Taxonomic AuthorityThe scientist who first formally described and published this species, followed by the year of publication.(Poey, 1860)
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.
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 rocky reefs, coral reefs, and drop-offs in the Western Atlantic, ranging from shallow waters to depths of 100 meters.BehaviourDaily activity patterns, movement, territory use, foraging style, and seasonal behavioral changes. Multi-lang
A solitary, territorial, and inquisitive predator that is often found patrolling its reef habitat.Social ActivitySocial structure: whether the species is solitary, paired, or colonial; hierarchy and communication. Multi-lang
Mostly solitary, although juveniles may be found in seagrass beds.Feeding GuildWhat the species eats, how it forages or hunts, and its role as a consumer in the food web. Multi-lang
Active predatory hunter.Trophic Chain DetailsSpecific interactions in local food webs: prey species, predators, competitors, and scavengers. Multi-lang
Piscivorous; feeds primarily on other fish, such as grunts, snapper, and sometimes crustaceans.Reproductive BehaviourMating strategies, courtship displays, nesting or spawning behavior, and parental care. Multi-lang
Spawns in aggregations; they are broadcast spawners.Physical Measures
Length (cm)
40.0 - 150.0 cm
Weight (Grams)
5.00 kg - 100.00 kg
Offspring per cycleTypical number of young (live births, eggs, or seeds) produced by one adult in a single reproductive event or breeding season.100000 - 1000000
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.
5 - 9 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.
Males20 - 30 Years
Females20 - 30 Years
Evolutionary AdaptationsInherited traits and behaviors that improve the species' survival and reproduction in its specific environment. Multi-lang
Strong, muscular jaws with large teeth for seizing and crushing prey.
Main ThreatsDocumented pressures reducing the population: habitat loss, hunting, disease, climate change, and invasive species. Multi-lang
Targeted by commercial and recreational fishing; pressure from overfishing in certain regions.
Interesting FactsSurprising or notable facts that highlight what makes this species unique or ecologically important. Multi-lang
Like many groupers, they are protogynous hermaphrodites, changing sex from female to male as they grow larger.