(Pterophyllum scalare) and guppies (Poecilia reticulata) imported into Turkey between
October 2004 and Match 2005 were examined for the metacercarial cysts of Centrocestus
formosanus. Metacercariae of C. formosanus were only found encysted on the gills of
examined fish. The prevalence of metacercarial cysts ranged from 10% to 50% depending
on fish species. The occurrence of C. formosanus represents a conservation threat for the …