DOI: https://doi.org/10.1515/vzoo-2015-0019
Specifi c parasite of the introduced by accident fi sh the Amur sleeper, Perccottus glenii, monogenean Gyrodactylus perccotti Ergens et Yukhimenko, 1973 was found in Kyiv Region, Ukraine. Dimensions of haptoral chitinous parts are given.