Authors
Michał Nowak
Department of Ichthyobiology and Fisheries University of Agriculture in Kraków Spiczakowa 6, 30-198, Kraków, Poland
Artur Klaczak
Department of Ichthyobiology and Fisheries University of Agriculture in Kraków Spiczakowa 6, 30-198, Kraków, Poland
Paweł Szczerbik
Department of Ichthyobiology and Fisheries University of Agriculture in Kraków Spiczakowa 6, 30-198, Kraków, Poland
Włodzimierz Popek
Department of Ichthyobiology and Fisheries University of Agriculture in Kraków Spiczakowa 6, 30-198, Kraków, Poland