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86 roaches originating from 3 waters of the city of Berlin (lake Muggelsee, river Havel and Teltow canal), Germany, were examined for the presence of trematode metacercariae by digestion of flesh samples in artificial gastric juice. Altogether 7 different types of metacercariae (Opisthorchis felineus/Metorchis bilis-complex, Pseudamphistomum truncatum, Metorchis xanthosomus, Apophallus muehlingi, Holostephanus dubinini, Bucephalus polymorphus, and Posthodiplostomum cuticola) were found. O. felineus, M. bilis and P. truncatum are of importance in terms of food hygiene. Findings of different species are discussed in connection with the occurrence of the first intermediate hosts and findings of adult trematodes in final hosts.