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Barilius dimorphicus 

Scope: Global
Language: English
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Taxonomy [top]

Kingdom Phylum Class Order Family
Animalia Chordata Actinopterygii Cypriniformes Cyprinidae

Scientific Name: Barilius dimorphicus Tilak & Husain, 1990
Taxonomic Notes: Tilak and Hussain (1990) described Barilius dimocurphis from Rajaji National Park, Eastern Doon Valley, Uttarakhand, India.

Assessment Information [top]

Red List Category & Criteria: Vulnerable D2 ver 3.1
Year Published: 2010
Date Assessed: 2010-01-22
Assessor(s): Vishwanath, W.
Reviewer(s): Chaudhry, S., Dahanukar, N., Barbhuiya, A.H., Rema Devi, K.R. & Juffe Bignoli, D.
Contributor(s): Molur, S.
Justification:
Barilius dimorphicus is present in Song River in Rajajai National Park in Uttarakhand. It has not been recorded from any other locality surrounding this and is therefore presumed to be endemic to the protected area.  Declining habitat quality could pose a serious threat to the species in the long run and therefore it is assessed as Vulnerable based on its restricted distribution and potential threat.

Geographic Range [top]

Range Description:Barilius dimorphicus is distributed in Song River, eastern Doon Valley, Rajaji National Park, Dehra Dun and Pauri-Garhwal districts, Uttarakhand, India (Tilak and Husain 1990)This species may be endemic to this area although this needs to be confirmed.
Countries occurrence:
Native:
India (Uttaranchal)
Additional data:
Continuing decline in extent of occurrence (EOO):UnknownExtreme fluctuations in extent of occurrence (EOO):Unknown
Number of Locations:1
Range Map:Click here to open the map viewer and explore range.

Population [top]

Population:No information found. However, it must be small as it is restricted to Rajaji National Park.
Current Population Trend:Unknown
Additional data:
Population severely fragmented:No

Habitat and Ecology [top]

Habitat and Ecology:They are the hillstream fishes inhabiting streams with gravelly bottom.
Systems:Freshwater
Continuing decline in area, extent and/or quality of habitat:Yes

Use and Trade [top]

Use and Trade: Fisheries of such species is not known because of being a hillstream fishes.

Threats [top]

Major Threat(s): This species is not affected by specific threats as it is within a national park other than the continuing decline in habitat quality from sedimentation due to deforestation and agricultural practices. However, the species is known only from a small locality and this makes it vulnerable to any future threat.

Conservation Actions [top]

Conservation Actions: The species is found in Song River in Rajajai National Park, Uttarakhand.

Citation: Vishwanath, W. 2010. Barilius dimorphicus. The IUCN Red List of Threatened Species 2010: e.T166504A6223877. . Downloaded on 15 October 2018.
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