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Species of amphibian From Wikipedia, the free encyclopedia
Salamandrella keyserlingii, the Siberian salamander, is a species of salamander found in Northeast Asia. It lives in wet woods and riparian groves.
| Salamandrella keyserlingii | |
|---|---|
| |
Scientific classification  | |
| Domain: | Eukaryota |
| Kingdom: | Animalia |
| Phylum: | Chordata |
| Class: | Amphibia |
| Order: | Urodela |
| Family: | Hynobiidae |
| Genus: | Salamandrella |
| Species: | S. keyserlingii |
| Binomial name | |
| Salamandrella keyserlingii | |
| Synonyms | |
| |
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It is found primarily in Siberia east of the Sosva River and the Urals, in the East Siberian Mountains, including the Verkhoyansk Range, northeast to the Anadyr Highlands, east to the Kamchatka Peninsula and south into Manchuria,[2] with outlying populations also in northern Kazakhstan and Mongolia, northeastern China, and on the Korean Peninsula. It is believed to be extirpated from South Korea. An isolated population exists on Hokkaidō, Japan, in the Kushiro Shitsugen National Park. A breeding ground of Siberian salamanders in Paegam, South Hamgyong, is designated North Korean natural monument #360.[3]
Adults are from 9.0 to 12.5 cm in length. Their bodies are bluish-brown in color, with a purple stripe along the back. Thin, dark brown stripes occur between and around the eyes, and also sometimes on the tail. Four clawless toes are on each foot. The tail is longer than the body. Males are typically smaller than females.[4]
The species is known for surviving deep freezes (as low as −45 °C). In some cases, they have been known to remain frozen in permafrost for years, and upon thawing, walking off.[5] They accomplish this by reducing to a fourth of their body weight through water loss and liver shrinkage, and by increasing the concentration of glycerol in their body.[6]
In 1870,Dybowski gave it the name of Salamandrella Keyserlingii.It was renamed in 1910,the 1910 scientific name hardly used.Boulenger gave it the new(but unused) name.
The Siberian salamander is fairly nocturnal, foraging above ground at night and staying under moist logs or woody debris during the day.[7]
Within its extensive range, the habitat of the Siberian newt is wet conifer, mixed deciduous forests in the taiga and riparian grooves in the tundra and forest steppe. They can be found near ephemeral or permanent pools, wetlands, sedge meadows, off near oxbow lakes.[8]
Their breeding season occur during May or beginning of June, in pools of water.[9] A single egg sac contains 50-80 eggs on average, with a female typically laying up to 240 eggs in a season. The light-brown eggs hatch three to four weeks after being laid, releasing larval salamanders of 11–12 mm in length.
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