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Olyra longicaudata 

Scope: Global
Language: English
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Taxonomy [top]

Kingdom Phylum Class Order Family
Animalia Chordata Actinopterygii Siluriformes Olyridae

Scientific Name: Olyra longicaudata McClelland, 1842
Taxonomic Notes: It is very likely that the populations from Myanmar and Thailand are not conspecific with those from the Brahmaputra River drainage (H.H. Ng pers. comm.).

Assessment Information [top]

Red List Category & Criteria: Least Concern ver 3.1
Year Published: 2010
Date Assessed: 2009-10-12
Assessor(s): Ng, H.H.
Reviewer(s): Pal, M. & Molur, S.
Contributor(s): Molur, S.
Justification:

Olyra longicaudata was described from the Khasi Hills in Meghalaya, India (McClelland 1842). This species is known from the Brahmaputra River drainage in India, river drainages in Myanmar and the Mae Khlong River drainage in western Thailand; the taxonomic status of the eastern and western populations required further study.  The population size and trend for this species remain unknown and this species is only known from scanty museum records. Whilst there is also very little information on the biology of this species and potential impacts of threats (especially those of an anthropogenic nature) and there is a question over the identity of the two populations, the species is assessed as Least Concern at present as it has an apparently wide distribution within India and Myanmar.

Geographic Range [top]

Range Description:Olyra longicaudata was described from the Khasi Hills in Meghalaya, India (McClelland 1842). This species is known from the Brahmaputra River drainage in India, river drainages in Myanmar and the Mae Khlong River drainage in western Thailand.
Countries occurrence:
Native:
India (Assam, Darjiling, Meghalaya); Myanmar (Myanmar (mainland)); Thailand
Additional data:
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.
Current Population Trend:Unknown
Additional data:
Continuing decline of mature individuals:Unknown
Population severely fragmented:No

Habitat and Ecology [top]

Habitat and Ecology:This species is found in swift streams, generally with a substrate of rocks and sand (H.H. Ng pers. comm).
Systems:Freshwater
Continuing decline in area, extent and/or quality of habitat:Unknown

Use and Trade [top]

Use and Trade: This species might be of minor importance as food in artisanal fisheries, but this awaits verification. It is occasionally caught and exported as an ornamental fish.

Threats [top]

Major Threat(s):

The threats to this species are unknown, since there is no information on the biology of this species and therefore the impact of potential threats (especially those of an anthropogenic nature) remains unknown. The current threats to aquatic biodiversity in all of its known distribution have also not been adequately identified.

Conservation Actions [top]

Conservation Actions:

There is insufficient information on the distribution, biology and potential threats for this species. The taxonomic identity of this species also needs further study, as it is very likely that the populations from Myanmar and Thailand currently identified as this species represent different species.


Citation: Ng, H.H. 2010. Olyra longicaudata. The IUCN Red List of Threatened Species 2010: e.T166544A6233466. . Downloaded on 15 October 2018.
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