• [Wiki] https://en.wikipedia.org/wiki/Wels_catfish.
• [nlWiki] https://nl.wikipedia.org/wiki/Europese_meerval.
• [IUCN] http://www.iucnredlist.org/details/40713/0.
• [ADW] http://animaldiversity.ummz.umich.edu/accounts/Silurus_glanis/.
• [fishbase] http://www.fishbase.org/summary/289.
• [AlpKara2011] Alp, A., Kara, C., Uckardes, F., Carol, J., and Garcia-Berthou, E. (2011). Age and growth of the European catfish (Silurus glanis) in a Turkish reservoir and comparison with introduced populations. Rev Fish Biol Fisheries, 21:283--294.
• [Kooy2010] Kooijman, S. (2010). Dynamic Energy Budget theory for metabolic organisation. Cambridge Univ. Press, Cambridge.