Authors
Anna J. Pawelec
Department of Marine Biology and Ecology, Institute of Oceanography, University of Gdansk, Gdynia, Poland
Mariusz R. Sapota
Department of Marine Biology and Ecology, Institute of Oceanography, University of Gdansk, Gdynia, Poland
Michał E. Skóra
Inland Fisheries Institute, Department of Migratory Fishes, Żukowo, Poland