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Description |
Geographic Range [top]
Range Description: It has been described from Than Muoi village, Quang Lang commune, Chi Lan district, Lang Son province, Tonkin Province Viet Nam (Haas 1969). Dang et al. (1980) list this species from north Viet Nam, including area around Vinh Yen and Ha Noi.
Countries occurrence:
Native:
Viet Nam
Additional data:
? Number of Locations: 2
Range Map: Click here to open the map viewer and explore range.
Population [top]
Population:
The populations are inferred to be rapidly decreasing (with a rate of more than 70% of the population in the last 10 years) as the survey work conducted in the region in the past 20 years show only a few specimens remain (V. Do pers. obs. 2011).
Current Population Trend: Decreasing
Additional data:
Habitat and Ecology [top]
Habitat and Ecology:
It has been found in streams and rivers in midland and highlands.
Systems: Freshwater
Generation Length (years): 15
Use and Trade [top]
Use and Trade:
The species is used as a source for food for human and animals, as well as for crafts.
Threats [top]
Major Threat(s):
Mining and urbanization and water pollution from industry are the major threats to the species in the region.
Conservation Actions [top]
Conservation Actions:
There are no conservation measures in place. Research in biology, ecology, distribution and threats of this species is needed .
Citation: Bogan, A.E. 2011. Pseudodon resupinatus. The IUCN Red List of Threatened Species 2011: e.T171883A6809180. http://dx.doi.org/10.2305/IUCN.UK.2011-1.RLTS.T171883A6809180.en. Downloaded on 07 May 2018.
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