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Description

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Tylototriton kweichowensis measures up to 160 mm in total length for males, with females measuring up to 190 mm. The tail is 75% of SVL in males and 73% in females. Head is triangular in shape and relatively flat with the crown depressed in frontal and interorbital areas. Areas just above and behind the eyes on the sides of the head are elevated. Large parotoid glands. Nostrils are small and located near the snout, separated by ½ of the interorbital distance. Snout rounded. Two long, slanted, rows of vomerine teeth are present in / orientation, meeting near the inner nasal bone. Body robust. Skin finely granular. On the dorsum, large grainy tubercles are present, with the tubercles more densely packed along three evenly spaced strips, running from head to tail dorsally and on either side dorsolaterally. Venter is less granular. Limbs stubby and short, with toes touching when limbs are adpressed to the flank. There are four unwebbed toes on each forelimb and five unwebbed toes on each hindlimb, and the tips of toes are rounded. Cross-section of tail is round near the body, but mostly compressed laterally as the tail stretches out. A tailfin fold is apparent, reaching its tallest point near the middle of the tail. The male is slenderer (Datong and Dingqi 2008; Raffaëlli 2007). Individuals vary in coloration. The parotoid glands, tips of toes, tail, and bumpy strips are red or orange in some animals (Datong and Dingqi 2008).This species is very similar in appearance to T. shanjing. In T. kweichowensis the dorsolateral tubercles are square and tend to be fused or only narrowly separated; on the head only the parotoid region is orange-red. In T. shanjing dorsolateral tubercles are rounded and widely separated; on the head, orange pigment is visible on the dorsal and ventral surfaces (Ziegler et al. 2008).

Reference

Ziegler, T., Hartmann, T., Van der Straeten, K., Karbe, D., and Böhme, W. (2008). ''Captive breeding and larval morphology of Tylototriton shanjing Nussbaum, Brodie & Yang, 1995, with an updated key of the genus Tylototriton (Amphibia: Salamandridae).'' Der Zoologische Garten, 77, 246-260.

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Distribution and Habitat

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This species occurs in China, in Guizhou and Yunnan provinces. It is more abundant in Guizhou. Tylototriton kweichowensis lives in montane creeks, ponds, and nearby bushy areas, at elevations ranging from 1500 - 2000 m above sea level. While in water, it usually hides under rotten wood and leaves (Datong and Dingqi 2008).
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Life History, Abundance, Activity, and Special Behaviors

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This species becomes more active after rain (Datong and Dingqi 2008).
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Life History, Abundance, Activity, and Special Behaviors

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The habitat is threatened by mining activity and the construction of brickyards (Raffaëlli 2007).
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Red-tailed knobby newt

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The red-tailed knobby newt or Kweichow (crocodile) newt (Tylototriton kweichowensis) is a species of salamander in the family Salamandridae. It is found in western Guizhou ("Kweichow" being an old spelling of Guizhou) and north-eastern Yunnan, China.[1] It is most closely related to emperor newt (Tylototriton shanjing) and Himalayan newt (T. verrucosus).[2]

Description

The red-tailed knobby newt is a relatively large, robust newt. Their total length is 155–210 mm (6.1–8.3 in), females being larger than males. They live in small ponds, slowly flowing streams and surrounding shady and moist grassy slopes with many hiding places. Outside the reproductive season, they are rather terrestrial. The reproductive season is from early May to early July, coinciding with the rainy season.[2]

Distribution

The red-tailed knobby newt has been recorded in Bijie, Dafang, Hezhang, Nayong, Shuicheng, Weining, and Zhijin counties of western Guizhou, and Yiliang and Yongshan counties in northeastern Yunnan (Zhao 1998).[3]

Diet

The red-tailed knobby newt feeds on worms, insects, larva, and their smaller newts. They can ingest small frogs and small toads. In captivity they often eat wax worms, mealworms, crickets, and even small fish like guppies.

Captivity

In captivity they should have a 15-20 gallon tank for housing two or three newts. 5-10 gallon tank is best to house one newt. 40-60 gallon tank for housing 5 or six newts.

References

  1. ^ a b IUCN SSC Amphibian Specialist Group (2020). "Tylototriton kweichowensis". IUCN Red List of Threatened Species. 2020: e.T59484A63870946. doi:10.2305/IUCN.UK.2020-2.RLTS.T59484A63870946.en. Retrieved 17 November 2021.
  2. ^ a b Sparreboom, Max; Wu, Yunke. "Tylototriton kweichowensis Fang and Chang, 1932". Salamanders of China LifeDesk. Retrieved 4 January 2013.
  3. ^ "AmphibiaWeb - Tylototriton kweichowensis".
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Red-tailed knobby newt: Brief Summary

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The red-tailed knobby newt or Kweichow (crocodile) newt (Tylototriton kweichowensis) is a species of salamander in the family Salamandridae. It is found in western Guizhou ("Kweichow" being an old spelling of Guizhou) and north-eastern Yunnan, China. It is most closely related to emperor newt (Tylototriton shanjing) and Himalayan newt (T. verrucosus).

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