Survey of angler's internet posts confirmed the occurrence of freshwater fishes of the genus Ictiobus (Rafinesque, 1819) in natural waters of CzechiaLukáš Kalous, Denisa Nechanská and Miloslav PetrtýlKnowl. Manag. Aquat. Ecosyst., 419 (2018) 29DOI: https://doi.org/10.1051/kmae/2018019