Cestoda 40 Cestode Infections Fish Diseases 40 Animals 38 cestode 36 article 34 Argentina 32 nonhuman 28 Microscopy, Electron, Scanning 24 animal 20 cestodiasis 18 classification 18 new species 18 parasitology 18 Chondrichthyes 16 fish disease 16 Skates (Fish) 14 flatworm 14 Pisces 12 Prevalence 12 Proteocephalidea 12 Tetraphyllidea 12 animal disease 12 fish 12 morphology 12 ovary 12 scanning electron microscopy 12 species difference 12 ultrastructure 12 Catfishes 10