Rhacophorus angulirostris


Taxonomy [top]

Kingdom Phylum Class Order Family

Scientific Name: Rhacophorus angulirostris
Species Authority: Ahl, 1927
Taxonomic Notes: The taxonomic status of the Sumatran population requires further investigation.

Assessment Information [top]

Red List Category & Criteria: Endangered B1ab(iii) ver 3.1
Year Published: 2004
Date Assessed: 2004-04-30
Needs updating
Assessor(s): Robert Inger, Robert Stuebing, Djoko Iskandar, Mumpuni
Reviewer(s): Global Amphibian Assessment Coordinating Team (Simon Stuart, Janice Chanson and Neil Cox)
Listed as Endangered because its Extent of Occurrence is less than 5,000 km2, all individuals are in fewer than five locations, and there is continuing decline in the extent and quality of its habitat on Borneo and Sumatra.

Geographic Range [top]

Range Description: This species is known from northern Borneo (Malaysia) and from one locality in Sumatra, Indonesia. It has an altitudinal range of 700-1,800m asl.
Indonesia; Malaysia
Range Map: Click here to open the map viewer and explore range.

Population [top]

Population: It appears to be abundant in Gunung Kinabalu National Park in Borneo.
Population Trend: Decreasing

Habitat and Ecology [top]

Habitat and Ecology: It has been found only in primary submontane and montane forests. Males call from trees overhanging small, clear, rocky streams where the larvae develop.
Systems: Terrestrial; Freshwater

Threats [top]

Major Threat(s): Habitat loss as a result of clear-cutting is the major threat to this species, and logging has already severely damaged the habitat at one known locality, Mount Trus Madi, in Borneo.

Conservation Actions [top]

Conservation Actions: Besides Gunung Kinabalu National Park, it is also present in the Crocker Range, in Malaysian Borneo; however, the Sumatran locality lies outside any protected areas.

Citation: Robert Inger, Robert Stuebing, Djoko Iskandar, Mumpuni 2004. Rhacophorus angulirostris. The IUCN Red List of Threatened Species. Version 2015.2. <>. Downloaded on 03 September 2015.
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