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Yellow-banded Poison Frog

Dendrobates leucomelas

Family: Dendrobatidae | Genus: Dendrobates

Yellow-banded Poison Frog (Dendrobates leucomelas)

Yellow-banded Poison Frog

Dendrobates leucomelas

Family: Dendrobatidae | Genus: Dendrobates

Tropical rainforest | Carnivorous | Diurnal | South America | Up to 3.8 cm | Up to 10–15 years

The Yellow-banded Poison Frog (Dendrobates leucomelas), also known as the yellow-banded poison dart frog, is a small species native to the rainforests of South America. With its striking yellow-and-blackpattern and toxicity, it's one of the best-known members of the poison dart frog family. It grows up to 3.8 cm long and weighs around 3 g.

Its bold yellow-and-black bands serve as a clear warning to predators. Interestingly, the frog isn't toxic by nature — it picks up its toxins from its diet, mainly from ants.

Small adhesive pads on its toes let it climb effortlessly and grip securely even on vertical surfaces. It's also the only known poison dart frog species to enter a period of dormancy during the dry season.

Geographical distribution

The Yellow-banded Poison Frogis native to the Guiananpart of the Orinoco basin in Venezuela. From there, itsrangeextendsnorth to the Orinoco, eastthrough Guyana to the Essequibo River, southinto the farnorth of Brazil, and west intoeasternAmazonian Colombia. It'sfoundexclusively in humidtropicalrainforest — the onlyenvironmentthat meets itsneeds.

Side view Yellow-banded Poison Frog left
Top view Yellow-banded Poison Frog right
Side view Yellow-banded Poison Frog

Icono de Anfibios Habitat

Within these forests, the species favors humid spots such as:

  • Forest floor, damp rocks, and tree trunks

  • Root systems of tropical trees

  • Areas with high humidity and stable temperatures

Protecting these ecosystems is essential to the species' survival. It relies on a steady supply of insects as well as dense vegetation, which offers both shelter and the right conditions for breeding.

Icono de Anfibios Lifestyle and behavior

The Yellow-banded Poison Frog is diurnal and territorial, with several notable behavioral traits.

Social behavior

  • Outside the mating season, it's typically solitary.

  • Its bold coloration warns predators of its toxicity.

  • Each frog has its own unique color pattern — no two look exactly alike.

Daily activity

  • By day, it forages among leaf litter and low vegetation.

  • Its adhesive toe pads make it a skilled climber.

Reproduction

  • The species is oviparous. Eggs are typically laid on the underside of leaves near water. Bromeliads act as natural nurseries for the tadpoles: once hatched, the adults carry them to the small pools of waterthat collect in the bromeliads' leaf rosettes, where they complete their development.

  • Metamorphosis takes 70 to 90 days.

Distinctive traits

  • In the wild, the frog is toxic — it absorbs skin toxins from its diet, particularly ants.

  • It's the only known poison dart frog with a dry-season dormancy period.

Realtionship with its environment

  • Its toxins come from its diet, mainly ants.

  • Its bright coloration signals danger — or an unpleasant taste — to would-be predators.

  • Bromeliads shelter its tadpoles.

  • The species serves as a bioindicator of tropical forest health.

Icono de Anfibios Diet

In the wild

  • Insects, especially ants, fruit flies, and crickets.

Under human care

  • Small, non-toxic insects such as fruit flies and small crickets.

  • Without access to toxic prey, animals under human care don't develop toxicity.

Icono de Anfibios Conservation status

Red List IUCN Yellow-banded Poison Frog (Dendrobates leucomelas) Least Concern

The Yellow-banded Poison Frog is listed as Least Concern (LC) on the IUCN Red List. Populations are currently considered stable, but the species still depends on intact rainforest — deforestation and habitatloss remain real threats.

It's also listed under Appendix II of CITES, meaning international trade is regulated and only permitted with the required authorizations.

Main threats

  • Deforestation and fragmentation of tropical rainforests

  • Biodiversity loss and declining insect populations, a key part of its natural diet)

Related species at Poema del Mar

Green and black poison frog

Phantasmal poison frog