PIARACTUS BRACHYPOMUS (CHARACIFORMES, SERRASALMIDAE) – AN INCIDENTAL ALIEN SPECIES IN POLISH AND WORLD WATERS? Journal title: Folia Pomeranae Universitatis Technologiae Stetinensis Agricultura Alimentaria Piscaria et Zootechnica Authors: Beata WIĘCASZEK, Sławomir KESZKA, Robert DZIAMAN, Klaudia GÓRECKA, Jarosław DĄBROWSKI Subject(s):