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Description |
Geographic Range [top]
Range Description: Brotia species have relatively small distributions in general. This recently described species is probably also restricted to a relatively small area, and is currently known only from the type locality, a stream in Muong Khen, Hoa Binh Province, northern Viet Nam (Köhler et al. 2009).
Countries occurrence:
Native:
Viet Nam
Additional data:
? Estimated area of occupancy (AOO) - km2: 400
? Number of Locations: 1
Range Map: Click here to open the map viewer and explore range.
Population [top]
Population: Population trend is not known, but the species was found to be abundant when present.
Current Population Trend: Unknown
Additional data:
Habitat and Ecology [top]
Habitat and Ecology: Fast flowing, well oxygenated water, on hard substrates like rocks, not on sandy or muddy substrates. Not found in polluted or stagnant water.
Systems: Freshwater
Continuing decline in area, extent and/or quality of habitat: No
Movement patterns: Not a Migrant
Use and Trade [top]
Use and Trade: Probably occasionally eaten by local people; might also be sold in local markets as food.
Threats [top]
Major Threat(s): The main threatening factor is water pollution from domestic sources. Future threats may include damming of rivers, and siltation due to erosion as caused by deforestation as the species is believed to be sensitive to changes in water quality.
Conservation Actions [top]
Conservation Actions: No conservation actions are in place for this species. Conservation requirements include preventing the pollution of water, protecting the natural habitat of fast flowing rivers and streams from damming, and protecting the natural vegetation along rivers.
Citation: Köhler, F. 2012. Brotia hoabinhensis. The IUCN Red List of Threatened Species 2012: e.T191524A1987290. http://dx.doi.org/10.2305/IUCN.UK.2012-1.RLTS.T191524A1987290.en. Downloaded on 27 April 2018.
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