Poeciliopsis fasciata 

Scope: Global
Language: English

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Taxonomy [top]

Kingdom Phylum Class Order Family
Animalia Chordata Actinopterygii Cyprinodontiformes Poeciliidae

Scientific Name: Poeciliopsis fasciata (Meek, 1904)
Common Name(s):
English San Jeronimo Livebearer
Gambusia fasciata Meek, 1904

Assessment Information [top]

Red List Category & Criteria: Near Threatened ver 3.1
Year Published: 2010
Date Assessed: 2008-05-01
Assessor(s): Iwamoto, T., Eschmeyer, W., Alvarado, J. & Bussing, W.
Reviewer(s): Carpenter, K., Polidoro, B. & Livingstone, S. (Global Marine Species Assessment Team)
This species is only known from Mexico, where is has an extent of occurrence of less than 20,000 km² and given that it is restricted to shallow-water estuarine and freshwater habitats, an area of occupancy estimated to be approximately 1000 km2. It is threatened by continued habitat loss from pollution and extensive coastal development throughout its range. It is listed as Near Threatened under Criterion B.

Geographic Range [top]

Range Description:This species is present in southern Mexico, from Acapulco to the Gulf of Tehuantepec, and has an extent of occurrence of less than 20,000 km², and given its shallow depth and specific habitat requirements, an area of occupancy of less than 1,000 km².
Countries occurrence:
FAO Marine Fishing Areas:
Pacific – eastern central
Additional data:
Estimated area of occupancy (AOO) - km2:1000
Lower depth limit (metres):2
Range Map:Click here to open the map viewer and explore range.

Population [top]

Population:There is no population information available for this species.
Current Population Trend:Unknown
Additional data:
Population severely fragmented:No

Habitat and Ecology [top]

Habitat and Ecology:This species is commonly found in freshwater streams and brackish lagoons and is also found in estuaries and soft bottom areas (mud, sand, estuary and mangrove). It prefers brackish water and freshwater, not marine. It is found at depths to two m. It feeds on detritus, zooplankton and insects.
Systems:Freshwater; Marine

Threats [top]

Major Threat(s): This species is threatened by habitat loss and degradation from human development, mangrove loss (Jimenez 1994) and extensive coastal development within its shallow freshwater and estuarine habitat.

Conservation Actions [top]

Conservation Actions: There are no species specific conservation measures in place. There are only a few very small marine protected areas within this species' range (WDPA 2006).

Citation: Iwamoto, T., Eschmeyer, W., Alvarado, J. & Bussing, W. 2010. Poeciliopsis fasciata. The IUCN Red List of Threatened Species 2010: e.T183247A8079825. . Downloaded on 15 October 2018.
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