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Description

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Tylototriton wenxianensis measures 126-133 mm total length in males, 105-140 mm in females. Head is relatively flattened vertically, with equal length and width. Nostrils are located close to the tip of the snout. No labial folds. Vomerine teeth rows are relatively long, found in / orientation and meet near the inner nasal bone. Jugular folds are very obvious and protruding. Body is cylindrical in shape, with a slightly flattened venter. The skin surface is very rough and covered with uniformly sized bumps. The bumps are somewhat more densely packed at the anterior dorsolateral part of the body; however, this is not very apparent since the size of bumps is constant. Limbs are relatively thin. Toes overlap when limbs are adpressed to the flank. There are four unwebbed toes on each forelimb and five unwebbed toes on each hindlimb. Hands and feet are somewhat flattened, and rounded at the toe tips. Tail length is less than snout-vent length. The tail is flattened vertically with a sharp tip, appears weak, and the tailfin fold is not well defined.

Body and tail are dark brown or black, with conspicuous orange or yellow markings present on the tips of the toes and the ventral tailfin fold. Venter has a lighter tone than the rest of the body.

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Distribution and Habitat

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This species is found in China, in the provinces of Sichuan, Gansu-Wenxian, and Guizhou-Leishan. Tylototriton wenxianensis lives in mountains at 1400 m above sea level, and is typically found in bushes.

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Life History, Abundance, Activity, and Special Behaviors

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It is a terrestrial species, though it tends to be found near ponds and lakes seasonally during May and June.

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Wenxian knobby newt

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The Wenxian knobby newt or Wenxian knobby salamander (Tylototriton wenxianensis) is a species of salamander in the family Salamandridae. It is endemic to central China (southern Gansu and adjacent northern Sichuan, isolated records from Guizhou, Hunan, Jiangxi, and Anhui provinces). Its type locality is Wen County in Gansu, or in Chinese: 文县; pinyin: Wénxiàn, hence the name.[2]

Description

Tylototriton wenxianensis is a medium-sized representative of Tylototriton. It is dorsally entirely black, and ventrally brownish black. Tips of digits and lower tail margin are orange Skin is rough. Head is flat and oval. Tail is laterally compressed and shorter than snout–vent length.[3]

Habitat and conservation

Tylototriton wenxianensis inhabits forests near streams and pools in hilly areas, hiding under rocks. Eggs are laid on land or between water and land; the larvae develop in water.[3]

It is threatened by habitat loss and degradation due to farming and subsistence wood collection.[1]

References

  1. ^ a b Fei Liang; Ye Changyuan (2004). "Tylototriton wenxianensis". IUCN Red List of Threatened Species. 2004: e.T59488A11935450. doi:10.2305/IUCN.UK.2004.RLTS.T59488A11935450.en.
  2. ^ Frost, Darrel R. (2014). "Tylototriton wenxianensis Fei, Ye, and Yang, 1984". Amphibian Species of the World: an Online Reference. Version 6.0. American Museum of Natural History. Retrieved 2 January 2015.
  3. ^ a b Sparreboom, Max (2014). Salamanders of the Old World: The Salamanders of Europe, Asia and Northern Africa. KNNV Publishing, Zeist, the Netherlands. pp. 380–381. ISBN 978-90-5011-4851.
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Wenxian knobby newt: Brief Summary

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The Wenxian knobby newt or Wenxian knobby salamander (Tylototriton wenxianensis) is a species of salamander in the family Salamandridae. It is endemic to central China (southern Gansu and adjacent northern Sichuan, isolated records from Guizhou, Hunan, Jiangxi, and Anhui provinces). Its type locality is Wen County in Gansu, or in Chinese: 文县; pinyin: Wénxiàn, hence the name.

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