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Hynobius arisanensis 

Scope: Global
Language: English
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Taxonomy [top]

Kingdom Phylum Class Order Family
Animalia Chordata Amphibia Caudata Hynobiidae

Scientific Name: Hynobius arisanensis Maki, 1922

Assessment Information [top]

Red List Category & Criteria: Vulnerable B1ab(iii)+2ab(iii) ver 3.1
Year Published: 2004
Date Assessed: 2004-04-30
Annotations:
Needs updating
Assessor(s): Lue Kuangyang, Chou Wenhao
Reviewer(s): Global Amphibian Assessment Coordinating Team (Simon Stuart, Janice Chanson and Neil Cox)
Justification:
Listed as Vulnerable because its Extent of Occurrence is less than 20,000 km2 and its Area of Occupancy is less than 2,000 km2, its distribution is severely fragmented, and there is continuing decline in the extent and quality of its habitat.

Geographic Range [top]

Range Description:This species is restricted to Ali Shan, Yu Shan, and Pei Ta Wu Shan in Taiwan, Province of China. It occurs above 1,800m asl.
Countries occurrence:
Native:
Taiwan, Province of China
Additional data:
Range Map:Click here to open the map viewer and explore range.

Population [top]

Population:This species is considered to be very rare.
Current Population Trend:Decreasing
Additional data:
Population severely fragmented:No

Habitat and Ecology [top]

Habitat and Ecology:It inhabits primary conifer forests and broadleaf forests close to streams. It probably breeds in streams, and the larvae most likely develop in streams.
Systems:Terrestrial; Freshwater

Threats [top]

Major Threat(s): The major threat to this species is habitat destruction and degradation, due in particular to infrastructure development for tourism.

Conservation Actions [top]

Conservation Actions: The species is protected within Yu-san National Park and the Tawushan Nature Preserve.

Citation: Lue Kuangyang, Chou Wenhao. 2004. Hynobius arisanensis. The IUCN Red List of Threatened Species 2004: e.T59090A11869714. . Downloaded on 18 November 2017.
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