Contributions to the morphological variation of the common gudgeon, Gobio gobio complex (Teleostei: Cyprinidae), in the upper Vistula drainage (southeast Poland)
Nowak, Michał, Mendel, Jan, Szczerbik, Paweł, Klaczak, Artur, Mikołajczyk, Tomasz, Ozga, Konrad, Fałowska, Barbara, Popek, Włodzimierz
Growth Rate and Histological Picture of the Gonads of Pike, Esox Lucius L., and Pikeperch, Sander Lucioperca (L.), from the Tresna Reservoir (Lake Żywieckie)
Epler, Piotr, Łuszczek-Trojnar, Ewa, Socha, Magdalena, Szczerbik, Paweł, Sokołowska-Mikołajczyk, Mirosława, Popek, Włodzimierz
When did the black bullhead, Ameiurus melas (Teleostei: Ictaluridae), arrive in Poland?
Nowak, Michał, Koščo, Ján, Szczerbik, Paweł, Mierzwa, Dominika, Popek, Włodzimierz
Morphology of the Common Gudgeon, Gobio Gobio (L.) Sensu Lato, from the Vistula River Drainage in the Context of Recent Literature Data (Teleostei: Cyprinidae)
Nowak, Michał, Popek, Włodzimierz, Drąg-Kozak, Ewa, Epler, Piotr
Weight-length relationships for three fishes (Leuciscus leuciscus, Phoxinus phoxinus, Salmo trutta) from the Strwiąż River (Dniester River drainage)
Nowak, Michał, Popek, Włodzimierz, Jagusiak, Wojciech, Deptuła, Stanisław, Popek, Jakub, Tatoj, Krzysztof, Klęczar, Krzysztof, Epler, Piotr
Diel differences in the exploitation of shallow inshore habitats by three small bottom-dwelling fishes with implications for their monitoring in a large lowland river
Nowak, Michał, Klaczak, Artur, Szczerbik, Paweł, Popek, Włodzimierz