This species is known only from the type locality, the Jaua tepui, in Bolívar State, Venezuela, at an altitude of 1,600m asl (04° 49' 55''N; 64° 25' 59''W). The limits of its distribution are not known, and it might also occur at lower altitudes on the slopes of Cerro Jaua, but it is probably a summit species.
Habitat and Ecology
This nocturnal species was found on branches of vegetation 0.3-1m above the ground, along streams at the top of the tepui. It reproduces by direct development, and carries its eggs and juveniles on its back.
The population status of this species is unknown.
There are no known threats to its habitat at present.
The type locality is within Parque Nacional Jaua-Sarisariñama.
Red List Status
Data Deficient (DD)
Listed as Data Deficient in view of continuing uncertainties as to its extent of occurrence, status and ecological requirements.
This genus has recently been moved from the family Hylidae (Faivovich et al. 2005).
Celsa Señaris, Ross MacCulloch, Enrique La Marca 2004. Stefania percristata. The IUCN Red List of Threatened Species 2004: e.T56031A11414647. http://dx.doi.org/10.2305/IUCN.UK.2004.RLTS.T56031A11414647.en .Downloaded on 16 November 2018