This species is endemic to Java, Indonesia. From current knowledge it occurs only in west and central Java from 50-1,200m asl.
Habitat and Ecology
It is restricted to unpolluted, clear, fast-flowing streams and torrents, in forests and in somewhat more open areas. Breeding takes place in streams.
It is a common species in its specialized habitat.
Soil erosion and the sedimentation of streams, as well as agro-chemical pollution, are the main threats to this species. These threats, which result from habitat modification taking place around streams, are leading to a rapid loss of suitable habitats within its range.
It is found in Halimun National Park, Ujong Kulon National Park, Gunung Gede Pangrango National Park, and Dieng Nature Reserve.
Djoko Iskandar, Mumpuni 2004. Huia masonii. In: IUCN 2014