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Description |
Asia: Mekong and Chao Phraya basins.
Geographic Range [top]
Range Description: The species is found in the Chao Phraya in Thailand and the lower Mekong basin from northern Lao PDR to the Mekong delta in Viet Nam (Poulsen et al. 2004).
Countries occurrence:
Native:
Cambodia; Lao Peoples Democratic Republic; Thailand; Viet Nam
Additional data:
Range Map: Click here to open the map viewer and explore range.
Population [top]
Population: This species is abundant within its range; this species is the eighth common fish caught in the wet season wing trap fishery in the Khone falls in southern Lao PDR, comprising 2.7% of the catch by weight (Baird et al. 2004). The population is deceasing due to fishery pressures.
Current Population Trend: Decreasing
Additional data:
? Population severely fragmented: No
Habitat and Ecology [top]
Habitat and Ecology: Found in mainstreams and larger tributaries, migrating up river in the Mekong between May and July, though it may not be a long distance migrator (Baird et al. 2004). This species feeds on fish, crustaceans, insects and, in the rainy season, is an important consumer of flooded forest fruits and leaves in the Mekong (Baird 2007).
In the dry season, inhabits deep water pools in large rivers.
Spawns and young feed in floodplains; takes refuge in mainstream. Then head upstream when sexually mature. (Poulsen et al. 2004).
Systems: Freshwater
Movement patterns: Full Migrant
Use and Trade [top]
Use and Trade: One of the most important species in fisheries at the Khone Falls in Lao PDR, and throughout the species range. Possibly cultivated.
Threats [top]
Major Threat(s): Overfishing and dams in mainstream rivers are the threats to this species. The species is also impacted by the loss of flooded forest habitat in the Tonle Sap Lake and along the Mekong.
Conservation Actions [top]
Conservation Actions: Monitoring of habitat and population trends is required, especially in relation to impacts of large mainstream dams. The species benefits from community conservation of deep pool habitats in the Mekong (Baird 2006; Baird and Flaherty 2005).
Citation: Baird, I. 2012. Pangasius larnaudii. The IUCN Red List of Threatened Species 2012: e.T180760A1659795. http://dx.doi.org/10.2305/IUCN.UK.2012-1.RLTS.T180760A1659795.en. Downloaded on 03 October 2016.
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