Articles

• Genetic variability in European populations of Coregonus lavaretus (L.): an assessment based on mitochondrial ND-1 gene haplotypes      [RESEARCH ARTICLE]

  Jolanta Kempter, Klaus Kohlmann, Remigiusz Panicz, Jacek Sadowski, Sławomir Keszka

  197-204

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• Influence of temperature on the effectiveness of the hormonal stimulation of male ide, Leuciscus idus (L.)      [RESEARCH ARTICLE]

  Beata I. Cejko, Dariusz Kucharczyk, Katarzyna Targońska, Daniel Żarski, Beata Sarosiek, Radosław K. Kowalski, Jan Glogowski

  205-211

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• An assessment of parasite variation in wild populations of roach, Rutilus rutilus (L.), in Lithuanian rivers      [RESEARCH ARTICLE]

  Vytautas Rakauskas, Česlovas Blaževičius

  213-223

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• Distribution, migrations, and growth of tagged sea trout released into the Vistula River      [RESEARCH ARTICLE]

  Ryszard Bartel, Marzena Pachur, Rafał Bernaś

  225-237

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• Age and growth of vendace, Coregonus albula (L.), from Lake Wigry (northeast Poland)      [RESEARCH ARTICLE]

  Krzysztof Kozłowski, Jacek Kozłowski, Paweł Poczyczyński, Andrzej Martyniak

  239-245

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• Patterns of river lamprey size and sex ratio in the Baltic Sea basin      [RESEARCH ARTICLE]

  Ryszard Bartel, Bronius Bradauskas, Erkki Ikonen, Andis Mitans, Władysław Borowski, Anna Garbacik-Wesołowska, Andrzej Witkowski, Jan Błachuta, Jacek Morzuch, Rafał Bernaś, Andrzej Kapusta

  247-255

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• Length and weight distribution of the river lamprey, Lampetra fluviatilis (L.), sampled in the Nemunas River Estuary      [SHORT COMMUNICATION]

  Vytautas Kesminas, Arvydas Švagždys

  257-260

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• First record of brown bullhead, Ameiurus nebulosus (Lesueur), in the Łyna River drainage basin (northeast Poland)      [SHORT COMMUNICATION]

  Andrzej Kapusta, Jacek Morzuch, Konrad Partyka, Elżbieta Bogacka-Kapusta

  261-265

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