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The aim of the study was to collect and statistically analyze commercial, recreational, and poaching catches of European eel and to describe them. Total commercial catches in the waters of the Oder and Vistula river basins in 2012 was 88.5 tons. Estimated recreational catches were 32.4 tonnes, while total poaching catches of eel were estimated at 30.5 tonnes. The total commercial, recreational, and...
The invasive fish species the Amur sleeper, Perccottus glenii, has expanded rapidly its range of occurrence, and is reported in increasing numbers of European countries, including Poland. It is also considered dangerous to native ichthyofauna everywhere. Knowledge of its biology remains meager, especially with regard to the larval and early juvenile life stages. The aim of the current experiment was...
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