Costa Rica Species
Basiliscus plumifrons
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

Basiliscus plumifrons

Green Basilisk

Cope, 1876

Detailed Texts Multi-lang
Emerald green lizard with white or bluish spots; males are very striking.

Added by

Gerardo Venegas

Reviewed by

Under Review

Last modified by

Gerardo Venegas

Other Names (Global)Regional and multilingual names used for this species across different countries and languages.

Plumed BasiliskDouble-crested BasiliskBasilisco verdeLagarto de Jesucristo

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).Reptilia
OrderRank below Class. Groups related families sharing common ancestry (e.g., Carnivora, Primates).Squamata
FamilyRank below Order. Groups closely related genera (e.g., Felidae = cats, Canidae = dogs).Corytophanidae
GenusRank just above Species. The first word in the two-part binomial scientific name.Basiliscus
Taxonomic AuthorityThe scientist who first formally described and published this species, followed by the year of publication.Cope, 1876
Record Completeness
97%
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.

Wet Season

Trophic RolePosition in the food chain: producer, herbivore, carnivore, omnivore, decomposer, or parasite.

Omnivore

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 lowland tropical humid forests, always associated with rivers and lagoons.

BehaviourDaily activity patterns, movement, territory use, foraging style, and seasonal behavioral changes. Multi-lang

Arboreal and diurnal; capable of running on water at speeds of up to 12 km/h.

Social ActivitySocial structure: whether the species is solitary, paired, or colonial; hierarchy and communication. Multi-lang

Solitary and territorial. Males actively defend their territories against others.

Feeding GuildWhat the species eats, how it forages or hunts, and its role as a consumer in the food web. Multi-lang

Omnivore. Varied diet of insects, snails, frogs, fish, and plant material.

Trophic Chain DetailsSpecific interactions in local food webs: prey species, predators, competitors, and scavengers. Multi-lang

Invertebrate controller and prey for birds of prey and large snakes.

Reproductive BehaviourMating strategies, courtship displays, nesting or spawning behavior, and parental care. Multi-lang

Oviparous. Lays up to 15 eggs in moist substrates near water.

Physical Measures

Length (cm)

60.0 - 90.0 cm

Weight (Grams)

200 g - 500 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.

1.5 - 2 Years

Gestation / IncubationDuration from fertilization to birth (mammals) or to hatching (egg-laying species).

55 - 75

Lifespan EstimatedExpected duration of life from birth to natural death under wild conditions.
Males7 - 10 Years
Females7 - 10 Years

Sexual DimorphismPhysical differences in size, coloration, or morphology between males and females of this species.

Males Multi-lang

Males have spectacular crests on the head, back, and tail.

Females Multi-lang

Females lack dorsal crests and only have a small cephalic crest.

Evolutionary AdaptationsInherited traits and behaviors that improve the species' survival and reproduction in its specific environment. Multi-lang

Hind feet with specialized scales that trap air when striking the water.

Main ThreatsDocumented pressures reducing the population: habitat loss, hunting, disease, climate change, and invasive species. Multi-lang

Riparian forest fragmentation and water pollution.

Interesting FactsSurprising or notable facts that highlight what makes this species unique or ecologically important. Multi-lang

It is the largest and most colorful basilisk in Central America.
It is popularly known as the 'Jesus Christ Lizard' for its ability to walk on water.

External ReferencesScientific publications, field guides, and databases that document this species or area.