Valencia letourneuxi 

Scope: Global & Europe
Language: English

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Taxonomy [top]

Kingdom Phylum Class Order Family
Animalia Chordata Actinopterygii Cyprinodontiformes Valenciidae

Scientific Name: Valencia letourneuxi (Sauvage, 1880)

Assessment Information [top]

Red List Category & Criteria: Critically Endangered A3ce; B2ab(i,ii,iii,iv,v) ver 3.1
Year Published: 2006
Date Assessed: 2006-01-31
Needs updating
Assessor(s): Crivelli, A.J.
Reviewer(s): Barbieri, R. & Kottelat, M. (Mediterranean Workshop, Dec. 2004)
This species has undergone a suspected population decline of at least 50% in the last 10 years as based on a decline in extent of occurrence (EOO) and area of occupancy (AOO) and the impact of introduced species, and pollutants. The projected decline is even more severe with an estimated decline of more than 80% over the next 10 years expected due to continued decline in AOO and EOO and the impacts of introduced alien species. In addition, the species has a restricted distribution (estimated EOO <5,000 km², estimated AOO <10 km²), which is severely fragmented and continues to decline. The number of locations and the number of mature individuals also continues to decline. The species therefore qualifies as Critically Endangered under criterion A3. Recent investigations have shown that this species has disappeared from at least two locations (Corfu and Lefkada islands), however new locations have been found. Re-introduction and/or translocations, combined with effective conservation measures, would help to stop the decline of this species.
Previously published Red List assessments:

Geographic Range [top]

Range Description:Restricted to the southern part of Albania (Butrint lake) and to western Greece (it is thought probably extinct on the islands of Corfu and Lefkas) in the Thyamis (=Kalamas), Louros, Arachthos, Agios Dimitros, Acheloos rivers, and the Vlychos and Chiliadou springs. It is also found in Peloponnese (Pinios and Alfios rivers). The species is known from a few locations along the coast (each of a few square meters). It is not know from inland.
Countries occurrence:
Albania; Greece
Additional data:
Range Map:Click here to open the map viewer and explore range.

Population [top]

Population:Dramatically decreasing.
Current Population Trend:Decreasing
Additional data:

Habitat and Ecology [top]

Habitat and Ecology:Lives in freshwaters rich in submerged vegetation, which provides food, spawning substrate, and protection against predators.

Threats [top]

Major Threat(s): Habitat destruction, water abstraction, and aggressive interaction with Gambusia.

Conservation Actions [top]

Conservation Actions: It is listed in Appendix II of the Bern Convention [incorrectly listed as Valaenncia hispanica - possibly since corrected].

Citation: Crivelli, A.J. 2006. Valencia letourneuxi. The IUCN Red List of Threatened Species 2006: e.T22830A9393054. . Downloaded on 16 October 2018.
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