Marañón poison frog
species of amphibian
The Marañón poison frog (Excidobates mysteriosus; rana venenosa Marañón in Spanish) is a species of frog of the family Dendrobatidae. It is endemic the Cordillera del Condor, in the upper Marañón River drainage, of Cajamarca Department, Perú.
Description
The adult frog measures about 27–29 mm long in snout-vent length. The skin of the dorsum is black with distinct white polka dots. While the pattern of the dots varies across individuals, there is always a dot under the chin.
Habitat
As per the type locality, its natural habitat is primary premontane forest between 600 and 1305 meters above sea level, especially those with plentiful cacti and terrestrial bromeliads. This frog is largely diurnal and tends to be found near the bottoms and tops of cliffs, where they forage for food among the vegetation. The adult and young frogs have been seen eating ants and short-winged flies.
Reproduction
These frogs breed exclusively in rainwater-filled bromeliads (Bromeliaceae sp). The bromeliads that they need only grow on very old trees, few of which remain.
This brief starts where responsible research should: with the source description of “Marañón poison frog” as species of amphibian. Everything that follows is an evidence route, not borrowed authority.
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The subject matters to the science & nature register because the source frames it as species of amphibian. Its deeper value depends on whether names, dates, institutions and citations support that framing.
Datasets, specimens, observations and peer-reviewed methods provide the appropriate test for the technical claims summarized here. The source revision retrieved here is dated Sep 14, 2026. The linked authority identifier is Q1383524. None of the 0 selected statements returned an explicit reference. The first chronological checks are 1305.
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This entry incorporates text from “Marañón poison frog” on English Wikipedia. Contributors are listed in the page history. Text is available under the Creative Commons Attribution-ShareAlike 4.0 License. Selected authority identifiers and statements are retrieved from Wikidata under CC0; their references and qualifiers remain part of the verification path.