Empetrichthys merriami 

Scope: Global
Language: English

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Taxonomy [top]

Kingdom Phylum Class Order Family
Animalia Chordata Actinopterygii Cyprinodontiformes Cyprinodontidae

Scientific Name: Empetrichthys merriami Gilbert, 1893
Common Name(s):
English Ash Meadows Poolfish, Ash Meadows Killifish

Assessment Information [top]

Red List Category & Criteria: Extinct ver 3.1
Year Published: 2013
Date Assessed: 2011-11-29
Assessor(s): NatureServe
Reviewer(s): Smith, K. & Darwall, W.R.T.
Facilitator/Compiler(s): Hammerson, G.A. & Ormes, M.
This species is listed as Extinct because no individuals have been found in more than 50 years, despite intensive surveys.
Previously published Red List assessments:

Geographic Range [top]

Range Description:Its range included Ash Meadows, Amargosa Desert, Nye County, Nevada, near the Nevada/California border. This species was known only from five separated springs (Lee et al. 1980).
Countries occurrence:
Regionally extinct:
United States
Additional data:
Range Map:Click here to open the map viewer and explore range.

Population [top]

Population:This species is extinct. Formerly it occurred in 5 springs in Nevada (Lee et al. 1980).
Additional data:
Population severely fragmented:Custom (N)

Habitat and Ecology [top]

Habitat and Ecology:This fish inhabited deeper holes in springs (La Rivers 1962).
Movement patterns:Not a Migrant

Use and Trade [top]

Use and Trade: This species was not utilized.

Threats [top]

Major Threat(s): This species went extinct in the late 1940s or early 1950s as a result of severe habitat alterations, possibly exacerbated by predation from exotic bullfrogs and crayfish (Miller et al. 1989).

Conservation Actions [top]

Conservation Actions:

This species is extinct, so it does not require additional protection or major management, monitoring, or research action.

Citation: NatureServe. 2013. Empetrichthys merriami. The IUCN Red List of Threatened Species 2013: e.T7705A15364173. . Downloaded on 19 April 2018.
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