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Hyla japonica

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Taxonomy [top]

Kingdom Phylum Class Order Family
ANIMALIA CHORDATA AMPHIBIA ANURA HYLIDAE

Scientific Name: Hyla japonica
Species Authority: Günther, 1859
Common Name(s):
English Japanese Tree Frog
Synonym(s):
Hyla arborea Günther, 1859 subspecies japonica
Hyla stepheni Boulenger, 1887
Hyla ussuriensis Nikolsky, 1918
Taxonomic Notes: Hyla japonica is a member of the Hyla arborea complex. A number of authors consider H. japonica to be a subspecies of H. arborea, but biochemical and morphological differences between these two forms confirm the specific rank of H. japonica. Fei (1999) considered H. ussuriensis from northern China, the Korean Peninsula, eastern Russia and Mongolia to be a separate species from H. japonica on Japan. Here we consider H. ussuriensis to be a synonym of H. japonica pending further taxonomic work on this complex.

Assessment Information [top]

Red List Category & Criteria: Least Concern ver 3.1
Year Published: 2004
Date Assessed: 2004-04-30
Assessor(s): Sergius Kuzmin, Irina Maslova, Masafumi Matsui, Fei Liang, Yoshio Kaneko
Reviewer(s): Global Amphibian Assessment Coordinating Team (Simon Stuart, Janice Chanson and Neil Cox)
Justification:
Listed as Least Concern in view of its wide distribution, tolerance of a broad range of habitats, presumed large population, and because it is unlikely to be declining fast enough to qualify for listing in a more threatened category.

Geographic Range [top]

Range Description: This species is widespread in Japan (Hokkaido, Honshu, Shikoku, Kyushu and other small islands), central, northern and northeastern China, it is found throughout both the Democratic People's Republic of Korea and the Republic of Korea, present in northern Mongolia and the southern Russian Far East.
Countries:
Native:
China; Japan; Korea, Democratic People's Republic of; Korea, Republic of; Mongolia; Russian Federation
Range Map: Click here to open the map viewer and explore range.

Population [top]

Population: This species is common throughout and is only rare and sporadically distributed in the area of Lake Baikal and Mongolia.
Population Trend: Stable

Habitat and Ecology [top]

Habitat and Ecology: This species inhabits mixed and deciduous broadleaved forests, forest steppes, bush lands, meadows, swamps, paddy fields, ponds, and the surrounding vegetation. It is often found along the banks of rivers, streams, and lakes. Spawning and larval development takes place in stagnant ponds, puddles, oxbow lakes, flooded quarries, and lakes with dense herbaceous vegetation. The eggs are sometimes deposited in river and stream pools. The species tolerates some degree of habitat modification, and may even be found in large cities.
Systems: Terrestrial; Freshwater

Threats [top]

Major Threat(s): The threats to this species are not well known, but are presumed to include general habitat loss, (often from changes in land use such as conversion of paddy fields to vegetable farming), pollution and prolonged drought in arid areas.

Conservation Actions [top]

Conservation Actions: The range of this species overlaps with many protected areas. It is listed in the Red Data Books of Buryatia and the Evreiskaya Autonomous Province of Russia.

Citation: Sergius Kuzmin, Irina Maslova, Masafumi Matsui, Fei Liang, Yoshio Kaneko 2004. Hyla japonica. The IUCN Red List of Threatened Species. Version 2014.3. <www.iucnredlist.org>. Downloaded on 20 December 2014.
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