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Description |
Geographic Range [top]
Range Description: The species was first recorded from northern Viet Nam in 1900 (Brandt 1974). It was described from That Khe (Song Ky Cung River), Lang Song Province (Malacology Collection, Academy of Natural Sciences), and there have been recent records from this river (Do Van Tu pers. comm. 2010). However, it is uncertain whether it is present in other suitable habitats in nearby rivers. It has also been recorded from the Gam River, Tuyen Quang Province (PARC 2002), however this record requires confirmation.
Countries occurrence:
Native:
Viet Nam
Additional data:
? Estimated area of occupancy (AOO) - km2: 10-100
? Number of Locations: 2-5
Range Map: Click here to open the map viewer and explore range.
Population [top]
Population: Population size is not known, nor trends.
Current Population Trend: Unknown
Additional data:
? Population severely fragmented: No
Habitat and Ecology [top]
Habitat and Ecology: The species is found in fast-flowing well-oxygenated waters near waterfalls.
Systems: Freshwater
Continuing decline in area, extent and/or quality of habitat: Yes
Movement patterns: Not a Migrant
Use and Trade [top]
Use and Trade: Not known to be utilised.
Threats [top]
Major Threat(s):
The species is found in waterfalls and rapids. The Song Ky Cung River location is in an area with active mining ongoing both upstream and downstream of the site. The changing water quality as result of mining discharge is likely to impact this species, and may lead to significant decline in populations. The other known location on the Gam River is likely to be impacted by a proposed dam (the Tuyen Quang dam).
Conservation Actions [top]
Conservation Actions: There are no specific conservation actions in place for this species. Conservation recommendations include the implementation of catchment management plans to keep the river water well oxygenated and clean.
Citation: Do, V. & Richter, K. 2012. Paludomus messageri. The IUCN Red List of Threatened Species 2012: e.T189770A1937098. http://dx.doi.org/10.2305/IUCN.UK.2012-1.RLTS.T189770A1937098.en. Downloaded on 03 May 2018.
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