This species is known from Fusagasuga, between Alto de San Miguel and Aguadita, on the western flank of the eastern Andes, Cundinamarca Department, Colombia, between 2,410 and 2,469m asl.
Habitat and Ecology
It lives on the forest floor and along streams in cloud forest; it is not found outside old-growth forest. Its breeding habits are not documented, but it is assumed that breeding and larval development take place in streams.
It is rare, and is known from only six individuals. Its range has been completely deforested, except for one private tract of land 11ha in size. Four expeditions since 1995 have failed to turn up any individuals of this species.
Deforestation for the planting of crops and cattle grazing is the primary threat to this species.
The species is not known to occur in any protected areas. Surveys are urgently needed to determine whether or not this species still persists in the wild.
Wilmar Bolívar, Jose Vicente Rueda 2004. Hyloxalus ruizi. In: IUCN 2014