Brazil-nut poison frog

Named for its habitat in the Brazil nut tree forests of the Amazon

Christopher Borges

This small but brilliantly colored amphibian is a vibrant testament to the biodiversity of tropical rainforests. The Brazil-nut poison frog is a relatively small frog that boasts a striking appearance with a rich, dark brown base coloration interspersed with vibrant orange or yellow spots. These vivid colors are not just for decoration; they serve as a warning to potential predators about the frog’s toxicity, a characteristic feature of many poison dart frogs. They can be found predominantly in the Amazon rainforest in Brazil, particularly thriving in humid, wet environments that offer abundant leaf litter and fallen branches for cover. The Brazil-nut forests provide an ideal habitat with their dense canopy and moist undergrowth, supporting a diverse ecosystem where these frogs play a crucial role in maintaining the balance by controlling the population of small invertebrates. 

Brazil-nut poison frogs are diurnal and terrestrial. They spend most of their time near the forest floor, foraging for ants, beetles, and other small invertebrates. These frogs are known to be quite territorial, especially males, which vigorously defend their territories against intruders. Scientifically, this frog helps researchers understand the ecological dynamics of the Amazon rainforest and the evolutionary biology of poison frogs. Its toxins have potential biomedical applications, offering insights into new medicinal compounds. Culturally, the frog is a part of the local biodiversity integral to the identity and natural heritage of the Amazon region.


Population est.
Mato Grosso, Pará

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Terrestrial / Aquatic

Altricial / Precocial

Polygamous / Monogamous

Dimorphic (size) / Monomorphic

Active: Diurnal / Nocturnal

Social behavior: Solitary / Pack / Herd

Diet: Carnivore / Herbivore / Omnivore / Piscivorous / Insectivore

Migratory: Yes / No

Domesticated: Yes / No

Dangerous: Yes / No