1 Department of Ichthyobiology and Fisheries, University of Agriculture in Kraków, ul. Prof. T. Spiczakowa 6, 30-199 Kraków, Poland. mikhael.nowak@gmail.com
The North American catfish, the black bullhead Ameiurus melas, is recorded for the first time in Poland. The origin of these fish is not clear, but their presence may be associated with unregulated introductions by anglers.