To be, or not to be, a non-native freshwater fish?

Copp, GH; Bianco, PG; Bogutskaya, NG; Erős, T [Erős, Tibor (Ökológia), szerző]; Falka, I; Ferreira, MT; Fox, MG; Freyhof, J; Gozlan, RE; Grabowska, J; Kovac, V; Moreno-Amich, R; Naseka, AM; Penaz, M; Povz, M; Przybylski, M; Robillard, M; Russell, IC; Stakenas, S; Sumer, S; Vila-Gispert, A; Wiesner, C