Mastacembelus armatus 

Scope: Global
Language: English

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Taxonomy [top]

Kingdom Phylum Class Order Family
Animalia Chordata Actinopterygii Synbranchiformes Mastacembelidae

Scientific Name: Mastacembelus armatus (Lacepède, 1800)
Common Name(s):
English Spiny eel
Macrognathus armatus Lacepède, 1800
Taxonomic Source(s): Kottelat, M. 2013. The fishes of the inland waters of southeast Asia: a catalogue and core bibiography of the fishes known to occur in freshwaters, mangroves and estuaries. Raffles Bulletin of Zoology Supplement No. 27: 1-663.
Taxonomic Notes: Mastacembelus armatus is probably a species complex and further taxonomic work is required to clarify the taxonomy.

Assessment Information [top]

Red List Category & Criteria: Least Concern ver 3.1
Year Published: 2010
Date Assessed: 2009-10-12
Assessor(s): Rayamajhi, A., Jha, B.R. & Sharma, C.M.
Reviewer(s): Allen, D.J., Britz, R. & Vishwanath, W.
Contributor(s): Molur, S.

A widespread species with no known major widespread threats, Mastacembelus armatus is assessed as Least Concern.   

Geographic Range [top]

Range Description:Fresh and brackish waters in Bangladesh; Pakistan; Sri Lanka; Myanmar; Nepal; Thailand; Cambodia; Vietnam, and northeastern India; found in the Hoogly and Bhagirathi River systems in West Bengal; the Lohit district Arunachal Pradesh, and Uttar Pradesh: (Dehra Dun, Tehri, Pauri, Uttarkashi, Chamoli, Nainital, Almora, Pithoragarh). It is likely present in other northeast Indian states.

In Nepal, the distribution of Mastacembelus armatus (Lacepede) is documented by Jha et al. (2006). Its occurrence was reported in seven rivers including Aandhikhola, Arungkhola, Karrakhola, Narayani, East Seti and Tinau river from central and western region of Nepal. The six rivers, Aandhikhola, Arungkhola, Karrakhola, Narayani East and Seti are the members of Gandaki River system. Tinau is an independent system. Aandhikhola accounted for the highest abundance of Mastacembelus armatus among the rivers sampled.
Countries occurrence:
Bangladesh; Cambodia; China; India (Arunachal Pradesh, Jharkand, Uttaranchal, West Bengal); Myanmar; Nepal; Pakistan; Sri Lanka; Thailand; Viet Nam
Additional data:
Lower elevation limit (metres):50
Upper elevation limit (metres):784
Range Map:Click here to open the map viewer and explore range.

Population [top]

Population:In Nepal, the species is found commonly at quite high altitudes in river Tawi (Jammu) and its tributaries. Seasonal availability of some important fishes in some rivers of Nepal could be found mentioned in the literature, but a detailed seasonality of the species is lacking.
Current Population Trend:Unknown
Additional data:
Continuing decline of mature individuals:Unknown
Population severely fragmented:No

Habitat and Ecology [top]

Habitat and Ecology:Inhabits fresh waters in plains and hills.
Movement patterns:Full Migrant

Use and Trade [top]

Use and Trade: This species attains a length of 61 cm. It is reported to be a very good food-fish. It is not caught by commercial fisheries. In West Bengal it is a popular food-fish especially when freshly caught. This is also found commonly at quite high altitudes in river Tawi (Jammu) and its tributaries.

Threats [top]

Major Threat(s):

No information available on threats to this species. It is caught by local level fisheries.

Conservation Actions [top]

Conservation Actions:

More information is required on the species population and distribution.

Citation: Rayamajhi, A., Jha, B.R. & Sharma, C.M. 2010. Mastacembelus armatus. The IUCN Red List of Threatened Species 2010: e.T166586A6241626. . Downloaded on 27 May 2018.
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