This species is known from the central mountain ranges of Papua New Guinea from the Southern Highlands and Western Highlands provinces south-eastward to the vicinity of Wau, Morobe Province. It occurs from 1,900-2,800m asl.
Habitat and Ecology
This species inhabits montane rainforest, among boulders and grass near streams. It is an adaptable species that can probably withstand a degree of habitat degradation. It is a species that breeds by direct development.
It is a common species.
There are no threats known.
The species' Extent of Occurrence needs to be determined and the population status assessed. It might occur within Mount Kaindi Wildlife Management Area.
Red List Status
Least Concern (LC)
Listed as Least Concern since, although its currently known Extent of Occurrence is less than 20,000 km2, it occurs in an area of extensive, suitable habitat which appears not to be under significant threat, it has a presumed large population, and it is unlikely to be declining fast enough to qualify for listing in a more threatened category.
Stephen Richards, Allen Allison 2004. Cophixalus riparius. The IUCN Red List of Threatened Species 2004: e.T57785A11674199. http://dx.doi.org/10.2305/IUCN.UK.2004.RLTS.T57785A11674199.en .Downloaded on 21 January 2019