Reviews in Fish Biology and Fisheries

, Volume 21, Issue 2, pp 283–294 | Cite as

Age and growth of the European catfish (Silurus glanis) in a Turkish Reservoir and comparison with introduced populations

  • Ahmet Alp
  • Cemil Kara
  • Fatih Üçkardeş
  • Joaquim Carol
  • Emili García-Berthou


The European catfish, Silurus glanis, is native to eastern Europe and western Asia and is among the largest freshwater fish in the world. Despite its increasing economic importance and its frequent introductions, the ecology and life-history of this species is poorly known due to the difficulty of sampling such a large species in large rivers and standing waters. Our study provides the first data on age and growth of this species in Turkish waters, where it is native. We report the length-weight relationships and age and size structure of this population, which were significantly different between females and males. A marginal increment analysis indicated that annulus formation occurred between May and June. The estimates of three growth functions (von Bertalanffy, logistic and Gompertz) are reported, with the von Bertalanffy growth providing a better fit and more realistic parameter estimates. Growth rates were significantly higher in males than in females and were overall higher compared to other native populations but similar to introduced populations of similar latitude.


Growth models Invasive species Life history Freshwater fish 



We wish to thank the members of the fisheries cooperative in Menzelet reservoir for their assistance, and two anonymous referees and Dr. Derya Bostancı for their helpful suggestions, which considerably improved the manuscript. EGB was also supported by the Spanish Ministry of Science (projects CGL2009-12877-C02-01 and Consolider-Ingenio 2010 CSD2009-00065).


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Copyright information

© Springer Science+Business Media B.V. 2010

Authors and Affiliations

  • Ahmet Alp
    • 1
  • Cemil Kara
    • 2
  • Fatih Üçkardeş
    • 3
  • Joaquim Carol
    • 4
  • Emili García-Berthou
    • 5
  1. 1.Department of Fisheries, Faculty of AgricultureUniversity of Kahramanmaraş Sütçü ImamKahramanmaraşTurkey
  2. 2.Department of Biology, Faculty of Science and ArtsUniversity of Kahramanmaraş Sütçü ImamKahramanmaraşTurkey
  3. 3.Department of Animal Science, Faculty of AgricultureUniversity of Kahramanmaraş Sütçü ImamKahramanmaraşTurkey
  4. 4.Minuartia, Estudis AmbientalsSant CeloniSpain
  5. 5.Institute of Aquatic EcologyUniversity of GironaGironaSpain

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