[Cystobranchus fasciatus (Kollar) in the Bug River in the Podlasie province].
D000818:Animals; D005399:Fishes / Q000469:parasitology*; D005618:Fresh Water; D007865:Leeches / Q000254:growth & development*; D011044:Poland
Cystobranchus fasciatus (Kollar) w Bugu na Podlasiu.