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Description |
Asia: India and Myanmar.
Geographic Range [top]
Range Description: Chagunius nicholsi is known from Chindwin River at Monywa and Nam Kawng Chaung Stream at Kamaing, Myityina District, Myanmar; Manipur River at Samlong, Lokchao River at Moreh, Maklang River and Chatrickong River in Manipur, also River Meguiki and Tizu in Nagaland, India.
Countries occurrence:
Native:
India (Manipur, Nagaland); Myanmar
Continuing decline in extent of occurrence (EOO): Unknown
Extreme fluctuations in extent of occurrence (EOO): Unknown
Range Map: Click here to open the map viewer and explore range.
Population [top]
Population: Report of the species from Manipur in 1998 extended its occurrence from its type locality in Myanmar. More research is needed to investigate the populations from these two localities. The species is however, widespread but not very abundant.
Current Population Trend: Unknown
Additional data:
?Population severely fragmented: No
Habitat and Ecology [top]
Habitat and Ecology: The species is found in warmer months, ie., April to September. In winter months, it does not occur in these rivers, probably migrating upstream for breeding. It is a migratory fish, most commonly found in the lower course of the river system.
Systems: Freshwater
Movement patterns: Full Migrant
Use and Trade [top]
Use and Trade: Good food value, sold in local markets.
Threats [top]
Major Threat(s): The major threat to this species is extensive habitat loss. The species is migratory. Construction of dams for water harvesting, irrigation and mini-hydel projects restrict their migratory routes. Destructive fishing is also affecting the species.
Conservation Actions [top]
Conservation Actions: C. nicholsi is not known from any protected areas, and clearly there is a need for improved habitat protection at sites where this species is known to occur. Further survey work is needed to determine whether or not this species is experiencing a decline, or is undergoing natural population fluctuations.
Citation: Vishwanath, W. 2010. Chagunius nicholsi. The IUCN Red List of Threatened Species 2010: e.T168556A6513969. http://dx.doi.org/10.2305/IUCN.UK.2010-4.RLTS.T168556A6513969.en. Downloaded on 21 March 2016.
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