Granular Poison Frog

Granular Poison Frog

Oophaga granulifera

Silhouette: Steven Traver · PhyloPic

Least ConcernNear ThreatenedVulnerableEndangeredCritically Endangered
Daily sighting probability ~20% · Possible
at Piedras Blancas National Park
11 Verified sightings at Piedras Blancas National Park From 2019 to 2026
68 Verified sightings across all 5 parks From 2019 to 2026
September Best month highest sighting rate
🌅 Crepuscular When it's spotted at dawn and dusk

About the Granular Poison Frog

The granular poison frog or granular poison arrow frog (Oophaga granulifera) is a species of frog in the family Dendrobatidae, found in Costa Rica and Panama. Originally described as Dendrobates granuliferus, it was moved to Oophaga in 1994. Its natural habitats are tropical humid lowland forests; it is threatened by habitat loss.

The granular poison frog is a small frog with slender limbs growing to about 20 mm (0.8 in). Its skin is finely granulated and its colour is typically bright orange head, body and upper arms and bluish-green underparts, legs and lower arms. In the vicinity of Quepos, Costa Rica, there is a colour morph in which the orange colour is replaced with olive green.

The granular poison frog is native to Costa Rica and Panama. Its range extends from southwestern Costa Rica through the adjacent area of south-western Panama at heights of up to 100 m (328 ft) above sea level. It also occurs in Piedras Blancas National Park in south-eastern Costa Rica. It inhabits the leaf litter of the floor of humid low altitude forests.

The granular poison frog is a diurnal terrestrial species. Breeding takes place in... Wikipedia →

Global Distribution

Warmer areas are where this animal is recorded most often.

Parks Where Found

# Park Country Daily sighting probability
1 Corcovado National Park 🇨🇷 Costa Rica
~20%
2 Piedras Blancas National Park 🇨🇷 Costa Rica
~20%
3 Marino Ballena National Park 🇨🇷 Costa Rica
Insufficient data
4 Manuel Antonio National Park 🇨🇷 Costa Rica
Insufficient data
5 La Amistad International Park (Panama) 🇵🇦 Panama
Insufficient data

Quick answers

What are the chances of seeing a Granular Poison Frog in Piedras Blancas National Park?

About 20% of wildlife watchers report a Granular Poison Frog sighting in Piedras Blancas National Park, based on 11 verified sightings from GBIF citizen-science data.

When is the best time to see Granular Poison Frog in Piedras Blancas National Park?

September has the highest sighting rate for Granular Poison Frog in Piedras Blancas National Park in our monthly data.

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