Taxonomy [top]

Kingdom Phylum Class Order Family
Animalia Chordata Amphibia Anura Rhacophoridae

Scientific Name: Taruga longinasus
Species Authority: (Ahl, 1927)
Polypedates longinasus (Ahl, 1927)
Taxonomic Source(s): Frost, D.R. 2014. Amphibian Species of the World: an Online Reference. Version 6.0 (7 July 2014). Electronic Database. American Museum of Natural History, New York, USA. Available at:

Assessment Information [top]

Red List Category & Criteria: Endangered B1ab(iii)+2ab(iii) ver 3.1
Year Published: 2004
Date Assessed: 2004-04-30
Needs updating
Assessor(s): Kelum Manamendra-Arachchi, Anslem de Silva
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 and its area of occupancy is less than 500 km2, its distribution is severely fragmented, and there is a continuing decline in the extent and quality of its habitat in southwestern Sri Lanka.

Geographic Range [top]

Range Description: This species is endemic to central and south-western Sri Lanka, where it has been recorded at elevations of between 150 and 1,300m asl.
Countries occurrence:
Sri Lanka
Range Map: Click here to open the map viewer and explore range.

Population [top]

Population: It is rare.
Current Population Trend: Decreasing
Additional data:
Population severely fragmented: No

Habitat and Ecology [top]

Habitat and Ecology: It is an arboreal species found in lowland, submontane and montane tropical moist forests. Adults can be found on moss, bushes and tree trunks up to 2m above the ground. It is rarely found outside primary habitat. It can be found close to stagnant water, and breeding takes place in rocky pools in streams.
Systems: Terrestrial; Freshwater

Threats [top]

Major Threat(s): The major threat is habitat loss and degradation due to subsistence wood extraction, and conversion to tea and cardamom plantations; agrochemical pollution (of both land and water) is an additional threat.

Conservation Actions [top]

Conservation Actions: It has been recorded from the Sinharaja World Heritage Site, the largest remnant of Sri Lanka's forests, which was inscribed in 1988.

Citation: Kelum Manamendra-Arachchi, Anslem de Silva. 2004. Taruga longinasus. The IUCN Red List of Threatened Species 2004: e.T58954A11861694. . Downloaded on 06 October 2015.
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