This species occurs in low elevation forests in northeastern Brazil in Amapa, in French Guiana, and in Suriname. It has been recorded from sea level up to 700m asl.
Habitat and Ecology
It is usually found on the leaf-litter of tropical rainforest. It is a species that breeds by direct development, although the egg deposition site is not known. It is able to adapt to human disturbance.
It is a common species.
Fire is a threat to the species' habitat.
Protected areas are present within the Brazilian range of the species.
Philippe Gaucher, Miguel Trefaut Rodrigues 2004. Pristimantis chiastonotus. In: IUCN 2014