Slovak section of the Danube has its well-established breeding ground of marbled crayfish Procambarus fallax f. virginalisBoris Lipták, Michaela Mojžišová, Daniel Gruľa, Jana Christophoryová, Daniel Jablonski, Martin Bláha, Adam Petrusek and Antonín KoubaKnowl. Manag. Aquat. Ecosyst., 418 (2017) 40DOI: https://doi.org/10.1051/kmae/2017029