1. Adamek Z, Fasaic K, Siddiqui MA (1999) Prey selectivity in wels (Silurus glanis) and African catfish (Clarias gariepinus). Ribarstvo 57:47–60
2. Alp A, Kara C, Büyükçapar HM (2004) Reproductive biology in a native European catfish, Silurus glanis L., 1758, population in Menzelet reservoir. Turk J Vet Anim Sci 28:613–622
3. Banarescu P (1989) Zoogeography and history of the freshwater fish fauna of Europe. In: Holcik J (ed) The freshwater fishes of Europe, Part II. AULA-Verlag, Wiesbaden, pp 88–107
4. Berg LS (1949) Freshwater fishes of the USSR and adjacent countries, vol 2. Zool. Inst. Acad. Sci. USSR St. Petersburg, 496 pp. (Translated from Russian and published in 1964 by the Israel Program for Scientific Translations, Jerusalem)
5. Britton JR, Pegg J (2007) Investigating the catch returns and growth rate of wels catfish, Silurus glanis, using mark-recapture. Fish Manag Ecol 14:263–268