The lake brown trout is a salmonids fish regarded as a stationary form of the migratory trout. Within 2003-2004, 31 lake brown trout (Salmo trutta lacustris L.) from Lake Wdzydze (Poland), were examined for the presence of parasites following commonly used procedures. The parasites found represented Digenea: Diplostomum sp., Posthodiplostomum cuticola (Nordmann, 1832), Sphaerostomum globiporum ...

Cestodes of the genus Triaenophorus Rudolphi, 1793 are widely distributed parasites Esocidae, Percidae, Salmonidae, Thimallidae, Cobitidae, Osmeridae, Cyprinidae, Cottiidae, Lotidae, and several others in Holarctic. The taxonomic arrangements different authors, based on morphological ecological–biogeographic characters, suggest presence two to five species this Eurasia. genetic variation Eurasi...