The IUCN Red List of Threatened Species™
ISSN 2307-8235 (online)
IUCN 2008: T19018485A19222778
Alburnus escherichii, Sakarya Bleak
Assessment by: Freyhof, J.
View on www.iucnredlist.org
Citation: Freyhof, J. 2014. Alburnus escherichii. The IUCN Red List of Threatened Species 2014:
e.T19018485A19222778. http://dx.doi.org/10.2305/IUCN.UK.20141.RLTS.T19018485A19222778.en
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THE IUCN RED LIST OF THREATENED SPECIES™
Taxonomy
Kingdom
Phylum
Class
Order
Family
Animalia
Chordata
Actinopterygii
Cypriniformes
Cyprinidae
Taxon Name: Alburnus escherichii Steindachner, 1897
Common Name(s):
• English:
Sakarya Bleak
Taxonomic Source(s):
Eschmeyer, W.N. (ed.). 2014. Catalog of Fishes. Updated 10 March 2014. Available at: http://
research.calacademy.org/research/ichthyology/catalogfishcatmain.asp.
Assessment Information
Red List Category & Criteria:
Least Concern ver 3.1
Year Published:
2014
Date Assessed:
January 28, 2013
Justification:
This species is very widespread and especially tolerant against most threats and is therefore assessed as
LC.
Geographic Range
Range Description:
Turkey: Sakarya drainage. Introduced in Lake Beyşehir basin in Central Anatolia, Manavgat river in
Mediterraean basin and most likely elsewhere.
Country Occurrence:
Native: Turkey (Turkey-in-Asia)
© The IUCN Red List of Threatened Species: Alburnus escherichii – published in 2014.
http://dx.doi.org/10.2305/IUCN.UK.2014-1.RLTS.T19018485A19222778.en
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Distribution Map
© The IUCN Red List of Threatened Species: Alburnus escherichii – published in 2014.
http://dx.doi.org/10.2305/IUCN.UK.2014-1.RLTS.T19018485A19222778.en
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Population
Very widespread and usually abundant in all kinds of habitats in Sakarya drainage. This species seems to
be able to cope with most threats in the area. Most likely its population trend is stable.
Current Population Trend: Stable
Habitat and Ecology (see Appendix for additional information)
Inhabits a wide range of stream and river habitats including lakes and reservoirs. Lacustrine populations
migrate to inflowing rivers or streams to spawn.
Systems: Freshwater
Use and Trade
Very locally taken as a food fish.
Threats
There are many threats in the area but none impact the species to a degree, that it really threatens it.
Conservation Actions
There is no conservation action needed for this species.
Credits
Assessor(s):
Freyhof, J.
Reviewer(s):
Ekmekçi, F., Özuluğ, M. & Smith, K.
© The IUCN Red List of Threatened Species: Alburnus escherichii – published in 2014.
http://dx.doi.org/10.2305/IUCN.UK.2014-1.RLTS.T19018485A19222778.en
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Bibliography
Balik, S. 1995. Freshwater fish in Anatolia, Turkey. Biological Conservation 72:213–223.
Balık, S., Ustaoğlu, M.R., Sarı, H.M., İlhan, A. and Topkara, E.T. 2008. Revision of the Taxonomical Status
and Zoogeographic Distributions of Endemic Freshwater Fishes in Marmara, Aegean, Mediterranean and
Central Anatolia Regions. Ege University Scientific Research Project Report. İzmir.
IUCN. 2014. The IUCN Red List of Threatened Species. Version 2014.1. Available at: www.iucnredlist.org.
(Accessed: 12 June 2014).
Citation
Freyhof, J. 2014. Alburnus escherichii. The IUCN Red List of Threatened Species 2014:
e.T19018485A19222778. http://dx.doi.org/10.2305/IUCN.UK.2014-1.RLTS.T19018485A19222778.en
Disclaimer
To make use of this information, please check the Terms of Use.
External Resources
For Images and External Links to Additional Information, please see the Red List website.
© The IUCN Red List of Threatened Species: Alburnus escherichii – published in 2014.
http://dx.doi.org/10.2305/IUCN.UK.2014-1.RLTS.T19018485A19222778.en
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Appendix
Habitats
(http://www.iucnredlist.org/technical-documents/classification-schemes)
Habitat
Season
Suitability
Major
Importance?
5. Wetlands (inland) -> 5.1. Wetlands (inland) - Permanent
Rivers/Streams/Creeks (includes waterfalls)
Resident
Suitable
Yes
5. Wetlands (inland) -> 5.5. Wetlands (inland) - Permanent Freshwater
Lakes (over 8ha)
Resident
Suitable
No
Additional Data Fields
Habitats and Ecology
Movement patterns: Not a Migrant
© The IUCN Red List of Threatened Species: Alburnus escherichii – published in 2014.
http://dx.doi.org/10.2305/IUCN.UK.2014-1.RLTS.T19018485A19222778.en
5
The IUCN Red List Partnership
The IUCN Red List of Threatened Species™ is produced and managed by the IUCN Global Species
Programme, the IUCN Species Survival Commission (SSC) and The IUCN Red List Partnership. The IUCN
Red List Partners are: BirdLife International; Botanic Gardens Conservation International; Conservation
International; Microsoft; NatureServe; Royal Botanic Gardens, Kew; Sapienza University of Rome; Texas
A&M University; Wildscreen; and Zoological Society of London.
THE IUCN RED LIST OF THREATENED SPECIES™