Alburnus albidus

Status_ne_offStatus_dd_offStatus_lc_offStatus_nt_offStatus_vu_onStatus_en_offStatus_cr_offStatus_ew_offStatus_ex_off
 

Taxonomy [top]

Kingdom Phylum Class Order Family
ANIMALIA CHORDATA ACTINOPTERYGII CYPRINIFORMES CYPRINIDAE

Scientific Name: Alburnus albidus
Species Authority: (Costa, 1838)
Common Name/s:
English – Italian Bleak, White Bleak

Assessment Information [top]

Red List Category & Criteria: Vulnerable   B2ab(i,ii,iii,iv,v)   ver 3.1
Year Assessed: 2006
Assessor/s Crivelli, A.J.
Evaluator/s: Bianco, G., Kottelat, M. & Freyhoff, J. (Mediterranean Workshop, Dec. 2004)
Justification:
Assessed as Vulnerable on the basis that it has an estimated area of occupancy (AOO) of less than 2,000 km², where it is restricted 10 separate river basins (treated as separate locations on the basis of known threats from introduced species), and is suffering from an ongoing range reduction (due to the impact of the invasive species Rutilus rubilio), a decline in habitat quality, mainly due to channelisation and piping of water courses, and a decline in extent of occurrence (EOO) and AOO. A decline in the number of mature individuals is assumed due to the reduction in AOO.
History:
1996 – Vulnerable

Geographic Range [top]

Range Description: Endemic to southern Italy. On the Tyrrhenian side it's natural range includes the area form the Voltumo to Alento rivers. Introduced sub-populations are found in the Mingardo, Bussento, Lao, and Savuto rivers. On the Adriatic side its natural range is from the Trigno to Basento rivers. It has not been introduced to this area.
Countries:
Native:
Italy

Population [top]

Population: Abundant and widespread within its range but has declined by 50% in the past 10 years due to introduction of Rutilus rubilio (Picariello et al. 2004).
Population Trend: Decreasing

Habitat and Ecology [top]

Habitat and Ecology: Ubiquitous throughout rivers, streams, and dams.
Systems: Freshwater

Threats [top]

Major Threat(s): Habitat destruction, introduced species (Rutilus rubilio, in particular), and hybridization with Leuciscus cephalus.

Conservation Actions [top]

Conservation Actions: Listed in the Annex II of the European Union Habitats Directive and in Annex III of the Bern Convention.
Citation: Crivelli, A.J. 2006. Alburnus albidus. In: IUCN 2009. IUCN Red List of Threatened Species. Version 2009.2. <www.iucnredlist.org>. Downloaded on 09 February 2010.
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