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Eugerres mexicanus

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Taxonomy [top]

Kingdom Phylum Class Order Family
ANIMALIA CHORDATA ACTINOPTERYGII PERCIFORMES GERREIDAE

Scientific Name: Eugerres mexicanus
Species Authority: (Steindachner, 1863)
Common Name/s:
English Mexican Mojarra
Spanish Mojarra Mexicana
Synonym/s:
Diapterus mexicanus (Steindachner, 1863)
Gerres mexicanus Steindachner, 1863

Assessment Information [top]

Red List Category & Criteria: Least Concern ver 3.1
Year Published: 2009
Date Assessed: 2007-03-01
Assessor/s: Snoeks, J., Laleye, P. & Contreras-MacBeath, T.
Reviewer/s: Collen, B., Darwall, W., Ram, M. & Smith, K. (SRLI Freshwater Fish Evaluation Workshop)
Justification:
Assessed as Least Concern due to the species' fairly wide distribution, ability to occupy a range of habitats, and lack of evidence of any population declines. However, the Usumacinta basin faces a number of threats, which may give cause for concern in the future.

Geographic Range [top]

Range Description: This species is distributed from the Atlantic slope of southern Mexico; Rio Coatzacoalcos eastward into the Rio Usumacinta basin, and into northern Guatemala (Miller 2005).
Countries:
Native:
Guatemala; Mexico
Range Map: Click here to open the map viewer and explore range.

Population [top]

Population: The population appears to be currently stable, although detailed information is unknown.
Population Trend: Stable

Habitat and Ecology [top]

Habitat and Ecology: E. mexicanus is a demersal species that inhabits arroyos and rivers of moderate to slight currents that are fairly clear to turbid. Generally no vegetation, or green algae present, with substrates of sand, silt, clay, mud and gravel (Miller 2005).
Systems: Freshwater

Threats [top]

Major Threat(s): The ecological and hydrological integrity of the Rio Usumacinta basin, which is 106,000 km², faces numerous threats from deforestation, hydroelectric development and mineral exploitation (Hamann and Ankersen 2006).

Conservation Actions [top]

Conservation Actions: There are no conservation actions in place.
Citation: Snoeks, J., Laleye, P. & Contreras-MacBeath, T. 2009. Eugerres mexicanus. In: IUCN 2013. IUCN Red List of Threatened Species. Version 2013.2. <www.iucnredlist.org>. Downloaded on 21 April 2014.
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