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Description |
Asia: Mekong, Bangpakong, and Chao Phraya basins.
Geographic Range [top]
Range Description: The species is recorded from the Bangpakong and Chao Phraya rivers (Roberts and Vidthayanon 1991) in Thailand, and from the lower Mekong basin (from Yunnan in southern China to Viet Nam). Chhea (2002) records the species presence in Myanmar, which requires confirmation, and the species has been introduced to Malaysia.
Countries occurrence:
Native:
Cambodia; China (Yunnan); Lao Peoples Democratic Republic; Thailand; Viet Nam
Introduced:
Malaysia
Additional data:
? Lower elevation limit (metres): 3
? Upper elevation limit (metres): 190
Range Map: Click here to open the map viewer and explore range.
Population [top]
Population: This species is common; this species is the most common fish caught in the wet season wing trap fishery in the Khone falls in southern Lao PDR, comprising 41% of the catch by weight (Baird et al. 2004).
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. Migrates in large schools (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 in mainstream during flood season, larvae swept into floodplains. (Poulsen et al. 2004).
Systems: Freshwater
Movement patterns: Full Migrant
Use and Trade [top]
Use and Trade: This species is widely consumed throughout its range from both subsistence and commercial fisheries, and is locally cultured in cages from wild collected fries in Viet Nam. One of the most important species in the markets of the Chao Phraya and Mekong in Thailand.
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 and Flaherty 2005, Baird 2006).
Citation: Vidthayanon, C. 2012. Pangasius conchophilus. The IUCN Red List of Threatened Species 2012: e.T181218A1710343. http://dx.doi.org/10.2305/IUCN.UK.2012-1.RLTS.T181218A1710343.en. Downloaded on 03 October 2016.
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