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| Subspecies: | Unknown |
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| Est. World Population: | |
| CITES Status: | NOT LISTED |
| IUCN Status: | Endangered |
| U.S. ESA Status: | NOT LISTED |
| Body Length: | |
| Tail Length: | |
| Shoulder Height: | |
| Weight: | |
| Top Speed: | |
| Jumping Ability: | (Horizontal) |
| Life Span: | in the Wild |
| Life Span: | in Captivity |
| Sexual Maturity: | (Females) |
| Sexual Maturity: | (Males) |
| Litter Size: | |
| Gestation Period: | |
Habitat:
This species inhabits forests, where it is found under dead leaves or in root holes. It is not likely to tolerate habitat disturbance, and relies on good forest habitat with closed canopy (J. Yang and J. Wang pers. comm. June 2019). It breeds in pools and seepage pools. Breeding season is around May, and eggs are laid in clutches on land, and the larvae develop in water.
Range:
This species was previously only known from Wuzhishan, Diaoluoshan, and Jianfengling in Hainan Province, China, between 770-950 m asl. It is now also known from Yingeling Nature Reserve, up to 1,100 m asl (J. Yang pers. comm. June 2019). It may be found more widely on Hainan Island (J. Wang and J. Yang pers. comm. June 2019). It is possible that some previous records of Tylototriton asperrimus from Vietnam (i.e. Nguyen and Ho 1996) refer to this species (Böhme et al. 2005), but this requires verification. It occurs in five threat-defined locations, and its extent of occurrence (EOO) is 3,117 km2.
Conservation:
Conservation Actions In-Place
All known locations of this species are within protected areas: Wuzhishan, Jiangfenling, Diaoluoshan and Yinggeling National Nature Reserves. It is protected on Hainan (J. Yang and J. Wang pers. comm. June 2019).
Conservation Needed
Improved management is required in lowland areas on Hainan Island (J. Yang pers. comm. June 2019). Improved management is also needed to control the illegal collecting of this species that is occurring (Chinese Red List Assessment Workshop June 2019).
Research Needed
Research on its ecology is needed. Taxonomic research is also required to verify the identity of the Vietnamese subpopulations currently assigned to T. asperrimus.
All known locations of this species are within protected areas: Wuzhishan, Jiangfenling, Diaoluoshan and Yinggeling National Nature Reserves. It is protected on Hainan (J. Yang and J. Wang pers. comm. June 2019).
Conservation Needed
Improved management is required in lowland areas on Hainan Island (J. Yang pers. comm. June 2019). Improved management is also needed to control the illegal collecting of this species that is occurring (Chinese Red List Assessment Workshop June 2019).
Research Needed
Research on its ecology is needed. Taxonomic research is also required to verify the identity of the Vietnamese subpopulations currently assigned to T. asperrimus.