The first intermediate host of Metorchis conjunctus is a freshwater snail, Amnicola limosus [REF].
The definitive hosts are fish-eating mammals such as domestic dogs (Canis lupus familiars), domestic cats (Felis catus), wolves (Canis lupus),[REF] red foxes (Vulpes vulpes),[REF] gray foxes (Urocyon cinereoargenteus),[REF] coyotes (Canis latrans), raccoons (Procyon lotor),[REF] muskrats (Ondatra zibethicus), American minks (Neovison vision),[REF] fishers (Martes pennanti),[REF][REF] or bears [REF].