The molecular systematics of the Carasobarbus species from Iran and adjacent areas, with comments on Carasobarbus albus (Heckel, 1843)

  • Kai Borkenhagen
  • Hamid Reza Esmaeili
  • Sasan Mohsenzadeh
  • Fatemeh Shahryari
  • Ali Gholamifard


The diversity of cytochrome b sequences of Carasobarbus species from Iran and adjacent areas was investigated. Two divergent haplotype groups were found for C. luteus. The first one is widespread and congruent with the biogeographical hypothesis of a recent isolation among the various populations as a consequence of rising sea levels following the last Pleistocene glaciation. The second one is restricted to the Khabur River in Syria. The possibility that one of these groups corresponds to C. albus is discussed, but we conclude that it is more likely that C. luteus is a single species that retained two divergent mitochondrial lineages. The mitochondrial sequence diversity found for C. kosswigi and C. sublimus is high, possibly due to small population size and consequent genetic drift. Carasobarbus kosswigi is paraphyletic with respect to C. sublimus, indicating a recent speciation event of these taxa.


Cyprinidae Carasobarbus luteus Mitochondrial introgression Biogeography Cytochrome b Middle East 



We are grateful to J. Freyhof, A. Gholamhosseini, N. Hamidan and H. Zareian for supplying specimens, finclips and tissue samples. We thank Friedhelm Krupp, Masoumeh Malek and Alireza Sari for help with organising KB’s fieldwork in Iran. Friedhelm Krupp offered valuable comments on the manuscript. The study was supported by the Biodiversity and Climate Research Centre (BiK-F), Frankfurt, which is part of research funding programme “LOEWE”. KBs fieldwork was funded by the German Academic Exchange Service (DAAD), in the framework of the project “Establishment of a Middle Eastern Biodiversity Network”. We are also thankful to Shiraz University for financial support.


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Copyright information

© Springer Science+Business Media B.V. 2011

Authors and Affiliations

  • Kai Borkenhagen
    • 1
  • Hamid Reza Esmaeili
    • 2
  • Sasan Mohsenzadeh
    • 2
  • Fatemeh Shahryari
    • 2
  • Ali Gholamifard
    • 2
  1. 1.Senckenberg Research Institute and Museum of NatureFrankfurtGermany
  2. 2.Department of Biology, College of SciencesShiraz UniversityShirazIran

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