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Puntius chelynoides

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Taxonomy [top]

Kingdom Phylum Class Order Family
ANIMALIA CHORDATA ACTINOPTERYGII CYPRINIFORMES CYPRINIDAE

Scientific Name: Puntius chelynoides
Species Authority: (McClelland, 1839)
Common Name(s):
English Dark mahseer
Synonym(s):
Barbus chelynoides McClelland, 1839
Naziritor chelynoides (McClelland, 1839)
Tor chelynoides (McClelland, 1839)
Taxonomic Notes: Generic status of Puntius chelynoides is under debate. Talwar and Jhingran (1991) have considered this species as Tor chelynoides while Jayaram (1999) and Menon (1999) have considered this species as Naziritor chelynoides.

Assessment Information [top]

Red List Category & Criteria: Vulnerable B2ab(i,ii,iii,iv,v) ver 3.1
Year Published: 2010
Date Assessed: 2010-03-17
Assessor(s): Dahanukar, N.
Reviewer(s): Juffe Bignoli, D., Rema Devi, K.R. & Dey, S.C.
Contributor(s): Molur, S.
Justification:
Exact distribution and population status of Puntius chelynoides is not known but the species is reported to be locally extinct from Assam (Menon 2004) and is a very rare species (Ranjan et al. 2007). While the range is wide, the area of occupancy is very small, estimated to be less than 2,000 km2.  It is assessed as Vulnerable on the grounds that the speciesis restricted to only headwaters and currently known from five fragmented populations and some populations in Kumaon and Assam have gone locally extinct due to introduced Mahseer species.

Geographic Range [top]

Range Description: Head water drainage of the Ganges (Menon 1999). Record of the species from Pakistan (Talwar and Jhingran 1991) and Assam (Talwar and Jhingran 1991, Jayaram 1999) are not considered by Menon (1999). Nevertheless, Menon (1999) notes that species was earlier known from Assam. Menon (2004) suggests that this species is probably extinct from Assam thus the species is now confined only to the headwaters of the Ganges. According to Ranjan et al. (2007) Puntius chelynoides is found only in the upstream regions and not in down streams.
Countries:
Native:
India (Uttar Pradesh); Nepal
Range Map: Click here to open the map viewer and explore range.

Population [top]

Population:

No information available. Menon (2004) and Dey (pers. comm. 2010) suggest that this species is possibly extinct from Assam. Ranjan et al. (2007) suggest that this species is rare.

Population Trend: Decreasing

Habitat and Ecology [top]

Habitat and Ecology:

Inhabits fast-flowing mountain streams (Menon 1999). Feeds on diatoms, algae and insects, breeding begins from June (Menon 2004).

Systems: Freshwater

Use and Trade [top]

Use and Trade: This is a dark mahseer which does not grow to a large size. Its interest to fisheries is most uncertain (Talwar and Jhingran 1991).

Threats [top]

Major Threat(s):

The fish seems to have become locally extinct in Kumaon lakes because of introduction of Mahseer (Menon 2004).

Conservation Actions [top]

Conservation Actions:

Currently there is no conservation action plan directed towards this species.


Citation: Dahanukar, N. 2010. Puntius chelynoides. The IUCN Red List of Threatened Species. Version 2014.2. <www.iucnredlist.org>. Downloaded on 29 July 2014.
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