This species is known from the islands of Koh Chang, Koh Kut and Koh Mehsi in southeast Thailand, the nearby Thai mainland at Ok Yam, and from the Cardamom Mountains and Elephant Mountains of Cambodia (Smith, 1922; Bourret, 1942; Ohler et al., 2002; Stuart and Emmett, 2006). The record from northern Lao People's Democratic Republic (Stuart, 1999) is in error. Records from southern Vietnam (Orlov et al., 2002; Nguyen, 2005) refer to Limnonectes poilani (Ohler et al., 2002). It has been recorded between 300 and 1,200m asl in the Cardomom Mountains (Stuart and Emmett, 2006).
Habitat and Ecology
It has been recorded from hill, evergreen forest, and breeds in slow moving sections of streams. It is also found in anthropogenic habitats. Individuals are found dispersed on the forest floor outside the breeding season.
It is a common species in the Cardamom Mountains (S. Swan pers. comm.)
Threats are mostly unknown although wildfire and future logging might affect the species.
Koh Chang is a National Park, and protected areas have been established in the Cardamom Mountains. Taxonomic revision of this species is needed. This is a protected species by law in Thailand.
We follow Ohler et al. (2002) in treating Limnonectes poilani as a species distinct from L. kohchangae.
Peter Paul van Dijk, Steven Swan 2004. Limnonectes kohchangae. In: IUCN 2013