Aborichthys elongatus

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Taxonomy [top]

Kingdom Phylum Class Order Family
ANIMALIA CHORDATA ACTINOPTERYGII CYPRINIFORMES BALITORIDAE

Scientific Name: Aborichthys elongatus
Species Authority: Hora, 1921
Taxonomic Notes: Hora (1921) reported the species from Darjeeling, India. Further taxonomic work is required to investigate whether the two known populations of this species are the same.

Assessment Information [top]

Red List Category & Criteria: Least Concern ver 3.1
Year Published: 2010
Date Assessed: 2010-01-22
Assessor(s): Vishwanath, W.
Reviewer(s): Britz, R. & Allen, D.J.
Contributor(s): Molur, S.
Justification:
Aborichthys elongatus is found in Arunachal Pradesh and western Bengal; it is not known from intermediate watersheds. At present the species is assessed as Least Concern, given the relatively wide distribution, and the assumption that it is probably present in watersheds between the two known localities. Further taxonomic work is required, and the assessment should be revised given further information.

Geographic Range [top]

Range Description:Aborichthys elongatus is distributed in North Bengal and Arunachal Pradesh in India.  Nath and Dey (2000) reported the species to occur in different parts of Arunachal Pradesh, but the distribution is fragmented.
Countries:
Native:
India (Arunachal Pradesh, Darjiling)
Range Map:Click here to open the map viewer and explore range.

Population [top]

Population: There is no information on the population and its trends for this species.
Population Trend: Unknown

Habitat and Ecology [top]

Habitat and Ecology: The species is found to occur in streams with pebbly bottoms; most likely in clear ozygenrich water.  It is a mountain stream specialist.
Systems: Freshwater

Use and Trade [top]

Use and Trade: This species attains a length of 5.4 cm SL and is of no interest to fisheries.

Threats [top]

Major Threat(s): Aborichthys elongatus is known from hill streams which vary in volume with season. 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 this species is experiencing a decline or is undergoing natural population fluctuations.  In Darjeeling, part of the species currently known range, hill streams are pollutde from agricultural run-off and the there is reported widespread use of poison fishing.

Conservation Actions [top]

Conservation Actions: It is also known from Namdapha National Park. 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.

Bibliography [top]

Hora, S. L. 1921. On some new or rare species of fish from the eastern Himalayas. Records of Indian museum, Calcutta. 22: 731-744.

IUCN. 2010. IUCN Red List of Threatened Species (ver. 2010.4). Available at: http://www.iucnredlist.org. (Accessed: 27 October 2010).

Nath, P. & Dey, S.C. 2000. Fish and Fisheries of NorthEast India (Arunachal Predesh). Narendra Publishing House, New Delhi.


Citation: Vishwanath, W. 2010. Aborichthys elongatus. In: The IUCN Red List of Threatened Species. Version 2014.2. <www.iucnredlist.org>. Downloaded on 21 September 2014.
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