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Description |
Geographic Range [top]
Range Description: Brotia species have relatively small distributions in general. This recently described species, B. annamita is probably also endemic to a relatively small area, but is only known from two specimens from the type locality on the Ka River (Nghe An Province, Tam Quang, Vietnam). The real extent of its distribution is unknown. It was found in the foot hills of the Annamite Mountains in Viet Nam close to the Lao PDR border in a small creek.
Countries occurrence:
Native:
Viet Nam
Additional data:
? Estimated area of occupancy (AOO) - km2: 499
? Number of Locations: 1
Range Map: Click here to open the map viewer and explore range.
Population [top]
Population: Population size is not known.
Current Population Trend: Unknown
Additional data:
Habitat and Ecology [top]
Habitat and Ecology: Only found in streams at intermediate elevation in 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: Unknown
Use and Trade [top]
Use and Trade: Probably occasionally eaten by local people. It might also be sold in local markets as food.
Threats [top]
Major Threat(s): The main threats are caused by deforestation, which leads to changes in water flow regime and increased sedimentation. Also there are potential threats from water pollution relating to mining activity in the region.
Conservation Actions [top]
Conservation Actions: Conservation measures required for this species include prevention of damming its natural habitat of fast flowing rivers and streams, protection of remnants of rainforests in Viet Nam, and prevention of pollution of water. Further research into the species distribution is required.
Citation: Köhler, F. 2012. Brotia annamita. The IUCN Red List of Threatened Species 2012: e.T191523A1987129. http://dx.doi.org/10.2305/IUCN.UK.2012-1.RLTS.T191523A1987129.en. Downloaded on 27 April 2018.
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