Mastacembelus dayi 


Taxonomy [top]

Kingdom Phylum Class Order Family
Animalia Chordata Actinopterygii Synbranchiformes Mastacembelidae

Scientific Name: Mastacembelus dayi
Species Authority: Boulenger, 1912
Taxonomic Notes: Boulenger (1912) described Mastacembelus dayi from Irrawady drainage, Myanmar.

Assessment Information [top]

Red List Category & Criteria: Least Concern ver 3.1
Year Published: 2010
Date Assessed: 2010-01-23
Assessor(s): Vishwanath, W.
Reviewer(s): Britz, R., Jha, B.R. & Allen, D.J.
Contributor(s): Molur, S.

Mastacembelus dayi is widely distributed in the Irrawady and Chindwin river drainages, and is utilized at low levels by local fishers. It is currently assessed as Least Concern until further information on the species population, distribution and trends become available.

Geographic Range [top]

Range Description: Mastacembelus dayi is known from lowland areas of the Irrawaddy basin (including the Chindwin) of western Myanmar.  Its distribution in the region is wide.
Countries occurrence:
Myanmar (Myanmar (mainland))
Continuing decline in extent of occurrence (EOO): Unknown
Extreme 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: Mastacembelus dayi has been confused with other species, but is likely fairly common.
Current Population Trend: Unknown
Additional data:
Continuing decline of mature individuals: Unknown
Extreme fluctuations: Unknown Population severely fragmented: No

Habitat and Ecology [top]

Habitat and Ecology: The species is known from lowland areas of the Irrawady basin.
Systems: Freshwater

Use and Trade [top]

Use and Trade: It is used locally as a food fish.

Threats [top]

Major Threat(s): No immediate threats are known.

Conservation Actions [top]

Conservation Actions: Further information is required on the species distribution.

Classifications [top]

5. Wetlands (inland) -> 5.1. Wetlands (inland) - Permanent Rivers/Streams/Creeks (includes waterfalls)
suitability: Suitable  major importance:Yes
5. Wetlands (inland) -> 5.5. Wetlands (inland) - Permanent Freshwater Lakes (over 8ha)
suitability: Suitable  major importance:No

In-Place Research, Monitoring and Planning
  Action Recovery plan:No
  Systematic monitoring scheme:No
In-Place Land/Water Protection and Management
  Conservation sites identified:Yes, over part of range
  Occur in at least one PA:Unknown
  Area based regional management plan:No
  Invasive species control or prevention:Not Applicable
In-Place Species Management
  Harvest management plan:No
  Successfully reintroduced or introduced beningly:No
  Subject to ex-situ conservation:No
In-Place Education
  Subject to recent education and awareness programmes:No
  Included in international legislation:No
  Subject to any international management/trade controls:No
1. Research -> 1.2. Population size, distribution & trends
1. Research -> 1.3. Life history & ecology

♦  Food - human
 Local : ✓ 

Bibliography [top]

Boulenger, G. A. 1912. A synopsis of the fishes of the genus MAstacemlus. Journel of the Academy of Natural Sciences 15(Second series): 197-203.

IUCN. 2010. IUCN Red List of Threatened Species (ver. 2010.4). Available at: (Accessed: 27 October 2010).

Citation: Vishwanath, W. 2010. Mastacembelus dayi. The IUCN Red List of Threatened Species 2010: e.T168491A6501817. . Downloaded on 29 November 2015.
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