Taxonomy [top]

Kingdom Phylum Class Order Family
Animalia Chordata Actinopterygii Cypriniformes Psilorhynchidae

Scientific Name: Psilorhynchus nepalensis
Species Authority: Conway & Mayden, 2008
Taxonomic Notes: Conway and Mayden (2008) described Psilorhynchus nepalensis from Nepal in 2008.

Assessment Information [top]

Red List Category & Criteria: Least Concern ver 3.1
Year Published: 2010
Date Assessed: 2010-02-24
Assessor(s): Singh, L.
Reviewer(s): Allen, D.J., Conway, K.W. & Dey, S.C.
Contributor(s): Molur, S.

Psilorhynchus nepalensis is known from the Seti, Upper Rapti, Buri Rapti and Narayani and Kosi Rivers and the Chitwan National Park in Nepal, where its total extent of occurrence is greater around 35,000 km2. It is a very common species and locally abundant. Threats to this species are unknown. Further survey work is needed to determine whether or not this species is experiencing a decline, or is undergoing extreme population fluctuations, and at present the species is assessed as Least Concern.

Geographic Range [top]

Range Description: Psilorhynchus nepalensis is known from tributary rivers of the Kali Gandaki, central Nepal, and the Kosi River in eastern Nepal. It is also found within the boundaries of the Chitwan National Park (K. Conway pers. obs.)
Countries occurrence:
Continuing decline in area of occupancy (AOO): Unknown
Extreme fluctuations in area of occupancy (AOO): Unknown
Estimated extent of occurrence (EOO) - km2: 35329
Continuing decline in extent of occurrence (EOO): Unknown
Extreme fluctuations in extent of occurrence (EOO): Unknown
Number of Locations: 10-20
Continuing decline in number of locations: Unknown
Extreme fluctuations in the number of locations: Unknown
Range Map: Click here to open the map viewer and explore range.

Population [top]


It is a very common species and locally abundant, however it is difficult to catch, and populations are difficult to estimate.

Current Population Trend: Unknown
Additional data:
Population severely fragmented: Unknown

Habitat and Ecology [top]

Habitat and Ecology: The fish inhabits mountain streams and tributary rivers, more common in the mid-hills.
Systems: Freshwater
Continuing decline in area, extent and/or quality of habitat: Yes

Use and Trade [top]

Use and Trade:

This small-sized fish is of no interest to commercial fisheries.

Threats [top]

Major Threat(s): No threats are known at present.

Conservation Actions [top]

Conservation Actions:

Information is required on the species ecology, distribution, population, and potential threats to its habitat.

Citation: Singh, L. 2010. Psilorhynchus nepalensis. The IUCN Red List of Threatened Species 2010: e.T168593A6521515. . Downloaded on 06 October 2015.
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