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Description |
Asia: Chao Phraya, Bang Pakong and Mekong drainages in Indochina.
Geographic Range [top]
Range Description: The species is known from the Chao Phraya, Bang Pakong and Mekong drainages in Indochina. Occurs at Ubon Ratchathani, and in the Mekong just below Khone Falls, and in the Basaac River adjacent to Dong Phu in Phong Dinh Province (Ng 1999).
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: There is no information on the population and its trends for this species, but it is seasonably encountered in the Mekong River drainage (Vidthayanon 2008).
Current Population Trend: Unknown
Additional data:
? Continuing decline of mature individuals: Unknown
? Extreme fluctuations: Unknown ? Population severely fragmented: Unknown
Habitat and Ecology [top]
Habitat and Ecology: Found in larger tributaries of the Mekong. Reports of seasonal variation in populations suggest that the species is migratory. Spawns at the beginning of the rainy season and utilizes the flooded forests along the river edge (Rainboth 1996). Feeds on small fishes, benthic invertebrates (Rainboth 1996), and large amounts of plant detritus (Rainboth 1996, Baird et al.1999).
Clear preference for deep water pools in dry season. (Baran et al. 2005).
Systems: Freshwater
Movement patterns: Full Migrant
Use and Trade [top]
Use and Trade: This species is used as a food fish in artisanal fisheries; juveniles have been sporadically collected as ornamental fishes.
Threats [top]
Major Threat(s): The threats to this species are unknown, since there is no information on the biology of this species and therefore the impact of potential threats (especially those of an anthropogenic nature) remains unknown. The current threats to aquatic biodiversity in all of its known distribution have also not been adequately identified.
Conservation Actions [top]
Conservation Actions: There is insufficient information on the distribution, biology and potential threats for this species. Catch data for this species are also needed.
Citation: Ng, H.H. 2012. Bagrichthys obscurus. The IUCN Red List of Threatened Species 2012: e.T181220A1710654. http://dx.doi.org/10.2305/IUCN.UK.2012-1.RLTS.T181220A1710654.en. Downloaded on 07 January 2019.
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