Taxonomy [top]

Kingdom Phylum Class Order Family
Animalia Chordata Actinopterygii Cypriniformes Cyprinidae

Scientific Name: Squalius svallize
Species Authority: Heckel & Kner, 1858
Leuciscus svallize (Heckel & Kner, 1858)
Taxonomic Notes: Recent change of genus from Leuciscus to Squalius (Zardoya and Doadrio 1999, Sanjur et al. 2003).

Assessment Information [top]

Red List Category & Criteria: Vulnerable D2 ver 3.1
Year Published: 2006
Date Assessed: 2006-01-31
Assessor(s): Crivelli, A.J.
Reviewer(s): Mrakovcic, M. & Freyhof, J. (Mediterranean Workshop, Dec. 2004)
L. svallize is only found at one location in the Neretva and Trebisnjica drainage. The main threats of introduced species and water pollution can impact across its whole range.
Previously published Red List assessments:
1996 Vulnerable (VU)
1996 Vulnerable (VU)

Geographic Range [top]

Range Description: It is found in the Neretva and Trebisnjica drainage in Bosnia Herzegovina and Croatia (Mrakovcic, M. pers comm).
Countries occurrence:
Bosnia and Herzegovina; Croatia
Range Map: Click here to open the map viewer and explore range.

Population [top]

Population: No data.
Current Population Trend: Unknown
Additional data:

Habitat and Ecology [top]

Habitat and Ecology: It lives in river systems of the karst region.
Systems: Freshwater

Threats [top]

Major Threat(s): Water extraction and pollution. Introduction of exotic fish species.

Conservation Actions [top]

Conservation Actions: It is listed in the Appendix III of the Bern Convention.

Citation: Crivelli, A.J. 2006. Squalius svallize. The IUCN Red List of Threatened Species 2006: e.T61346A12465656. . Downloaded on 10 October 2015.
Disclaimer: To make use of this information, please check the <Terms of Use>.
Feedback: If you see any errors or have any questions or suggestions on what is shown on this page, please provide us with feedback so that we can correct or extend the information provided