Hynobius hidamontanus 

Scope: Global
Language: English

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Taxonomy [top]

Kingdom Phylum Class Order Family
Animalia Chordata Amphibia Caudata Hynobiidae

Scientific Name: Hynobius hidamontanus Matsui, 1987
Common Name(s):
English Hakuba Salamander, Japanese Mountain Salamander
Hynobius tenuis Nambu, 1991
Taxonomic Notes: Hynobius tenuis was synonymized with this species by Matsui et al. (2002).

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): Yoshio Kaneko, Masafumi Matsui
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 5000km2, its distribution is severely fragmented, and there is continuing decline in the extent and quality of its habitat.
Previously published Red List assessments:

Geographic Range [top]

Range Description:This species is endemic to Japan, being known from Gifu Prefecture and Toyama Prefecture, and from Hakuba village, Nagano Prefecture, in the central region of Japan.
Countries occurrence:
Additional data:
Range Map:Click here to open the map viewer and explore range.

Population [top]

Population:It is believed to be declining.
Current Population Trend:Decreasing
Additional data:
Population severely fragmented:No

Habitat and Ecology [top]

Habitat and Ecology:It occurs in broad-leaved deciduous forest and larch plantations in montane areas. Wetlands and streams are required for breeding and larval development.
Systems:Terrestrial; Freshwater

Threats [top]

Major Threat(s): Habitat loss is an important threat; for example, the habitat around Hakuba village is being destroyed as a result of the rapid construction of villas. Other threats include the shrinkage and drying of wetlands, pollution, and the pet trade.

Conservation Actions [top]

Conservation Actions: It is likely to occur in several protected areas, and has been designated as a natural monument by Hakuba village. There is a need to carefully monitor and control the level of offtake in this species for the pet trade.

Citation: Yoshio Kaneko, Masafumi Matsui. 2004. Hynobius hidamontanus. The IUCN Red List of Threatened Species 2004: e.T10615A3205400. . Downloaded on 25 May 2018.
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