This species is known only from the type locality: San Isidro, Municipio de Ubala, Cundinamarca Department, Colombia, at 2,600-3,100m asl.
Habitat and Ecology
It is an inhabitant of cloud forest, with breeding and larval development taking place in streams.
There have been no reports of this species since its original description in 1963, but there appear to have been no attempts to relocate it.
The major threat is likely to be chytridiomycosis, leading to a catastrophic population decline, as has occurred in many other montane species of Atelopus. Habitat destruction due to potato farming is also a threat to this species.
The species has not been recorded from any protected area, although it might occur in the Reserva Forestal Protectora El Predio Río Sucio, in the Municipio de Gachalá. Survey work is necessary to determine the current population status of the species. In view of the threat of chytridiomycosis, surviving individuals might need to be taken into captivity.
Red List Status
Critically Endangered (CR)
Lötters (1996), suggested that the Cauca localities (by Cochran and Goin 1970) were doubtful on geographic grounds.
Jose Vicente Rueda, María Cristina Ardila-Robayo, Mariela Osorno-Muñoz, Ruth Adriana Maldonado-Silva, Enrique La Marca 2004. Atelopus pedimarmoratus. In: IUCN 2014