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Description |
Geographic Range [top]
Range Description: The species is recorded from the Brahmaputra basin in India (Arunachal Pradesh, Mizoram, Assam, northern West Bengal, Nagaland, Tripura, and is likely to be present in other northeastern Indian states) and Bangladesh.
The species also recorded from the Salween and Irrawaddy basins in China (Ximeng and Yunnan; Froaese and Pauly 2010; Kottelat 1989; http://www.loaches.com/species-index/botia-rostrata), though these records require confirmation. If the Chinese records are confirmed it should be looked for in Bhutan, and in parts of the Salween and Irrawaddy in Myanmar.
Countries occurrence:
Native:
Bangladesh; China (Yunnan); India (Arunachal Pradesh, Assam, Darjiling, Manipur, Meghalaya, Nagaland, Tripura)
Range Map: Click here to open the map viewer and explore range.
Population [top]
Population: Population estimates of this species were carried out in Arunachal Pradesh, India. Catch frequency of Botia rostrata was 60% during 2004 (Tamang et al. 2007) but during 2009 it came down to 20% probably because it is a much sought after species firstly due to its good taste and secondly due to its ornamental value (S. Chaudhry pers. obs., 2010).
Current Population Trend: Decreasing
Additional data:
?Continuing decline of mature individuals: Unknown
?Population severely fragmented: No
Habitat and Ecology [top]
Habitat and Ecology:
This species is reported to live in medium to fast current waters.
Systems: Freshwater
Continuing decline in area, extent and/or quality of habitat: Yes
Use and Trade [top]
Use and Trade: This loach has high food value due to its delicacy and is also as an ornamental fish.
Threats [top]
Major Threat(s): The main threats facing this species is sand and boulder mining which destroys its habitat. Other major threat is destructive fishing practices of electrocution and poisoning (Tamang et al. 2007)
Conservation Actions [top]
Conservation Actions: Impact of threats on the species distribution and population requires detailed studies.
Citation: Chaudhry, S. 2010. Botia rostrata. The IUCN Red List of Threatened Species 2010: e.T166399A6200481. http://dx.doi.org/10.2305/IUCN.UK.2010-4.RLTS.T166399A6200481.en. Downloaded on 02 February 2016.
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Asia: India and Bangladesh. Recorded from the Salween and Irrawaddy basin in China, adjacent to the Burmese border (Ref. 12041). Comparison with Indian topotypical specimens is needed. |
