1. Laboratory of Fish Genetics; Institute of Animal Physiology and Genetics; The Czech Academy of Sciences; Liběchov Czech Republic
2. Department of Zoology; Faculty of Science; Charles University; Prague 2 Czech Republic
3. Research Institute for Limnology; University of Innsbruck; Mondsee Austria
4. División Académica de Ciencias Biológicas; Universidad Juárez Autónoma de Tabasco (UJAT); Villahermosa Tabasco México
5. Muséum d'Histoire Naturelle; Geneva 6 Switzerland
6. Department of Ecology; Faculty of Science; Charles University; Prague 2 Czech Republic
7. Faculty of Fisheries and Protection of Waters; South Bohemian Research Centre of Aquaculture and Biodiversity of Hydrocenoses; University of South Bohemia in České Budějovice; Vodňany Czech Republic
8. IBIS, Department of Biology, University Laval, Pavillon Charles-Eugène-Marchand; Avenue de la Médecine Quebec City; Canada
9. Chair in Zoology and Evolutionary Biology; Department of Biology; University of Konstanz; Konstanz Germany