Common Coqui

eleutherodactylus coqui

The Common Coqui (Eleutherodactylus coqui) is a small, beloved frog native to the island of Puerto Rico, where it serves as an iconic cultural symbol. Famous for the incredibly loud and distinctive "co-qui" vocalization produced by males at night, this tiny amphibian has adapted remarkably well to a variety of environments. Although celebrated in its homeland, it has become a highly successful invasive species in other tropical regions, such as Hawaii, where its high-volume nighttime choruses and lack of natural predators have caused significant ecological and acoustic disruption.

Habitat: Found in humid tropical forests, gardens, and urban green spaces, typically resting on leaves, tree trunks, or under ground litter.

Appearance

This small frog typically ranges from 2.5 to 5.5 centimeters in length, with females being notably larger than males. Its coloration is highly variable, ranging from light yellow to deep brown, often with chevron markings or lighter lateral stripes down its back. It has a broad head, large, prominent gold or bronze eyes with horizontal pupils, and characteristic wide, adhesive toe pads that enable agile climbing on leaves and vertical surfaces without the aid of webbed feet.

KingdomAnimaliaPhylumChordataClassAmphibiaOrderAnuraFamilyEleutherodactylidaeGenusEleutherodactylus

Common Coqui

Interesting facts

Because they do not need ponds or pools of standing water to reproduce, they can colonize high tree canopies and dry urban environments easily.

Only male coquis sing; the 'co' portion of the call is aimed at defending territory from other males, while the 'qui' portion is meant to attract females.

The male coqui is a dedicated father, guarding the terrestrial eggs for weeks to keep them moist and protect them from predators.

Special abilities

Males produce a powerful two-note call reaching up to 100 decibels, with the 'co' frequency deterring male rivals and the 'qui' frequency attracting females.

They lay terrestrial eggs that completely bypass the aquatic tadpole stage, hatching directly into tiny, fully formed froglets.

Specialized, expanded pads on their toes create capillary adhesion, allowing them to effortlessly scale smooth vertical leaves and wet tree trunks.

Measurements & details

Length: 2-6 cm
Weight: 0.002-0.008 kg
Lifespan: 4-6 years
Clutch Size: 15-45
Incubation: 17-26 days

Diet & Feeding

The Common Coqui is an opportunistic nocturnal predator that consumes a vast quantity of terrestrial invertebrates each night, hunting primarily in the forest understory.

Age differences: Juveniles feed on much smaller prey such as mites, springtails, and tiny flies, transitioning to larger insects and spiders as they grow.

Primary Foods

Ants
Spiders
Crickets
Beetles
Termites

Foraging Method

Ambush

Ecological connections

eaten by

Puerto Rican Screech Owl

Megascops nudipes

The Common Coqui is a frequent nocturnal prey item for this endemic bird of prey in Puerto Rico.

eaten by

Puerto Rican Boa

Chilabothrus inornatus

This large snake actively hunts adult coqui frogs in the forest canopies at night.

hunts

Asian Tiger Mosquito

Aedes albopictus

The Common Coqui opportunistically preys upon adult mosquitoes, helping to control local pest populations.

Traits

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Also known as

No aliases listed yet.

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Safety

Danger

1/5 · Very low

No special safety notes yet.

Frequently Asked Questions

How long is Common Coqui?

2-6 cm

How much does Common Coqui weigh?

0.002-0.008 kg

How long does Common Coqui live?

4-6 years

What does Common Coqui eat?

The Common Coqui is an opportunistic nocturnal predator that consumes a vast quantity of terrestrial invertebrates each night, hunting primarily in the forest understory.

Where is Common Coqui usually found?

Found in humid tropical forests, gardens, and urban green spaces, typically resting on leaves, tree trunks, or under ground litter.

How does Common Coqui hunt?

Ambush

How many eggs does Common Coqui lay?

15-45

How long do Common Coqui eggs take to hatch?

17-26 days