The prevalence of the helminth infections of the Nile fishes Bagrus bayad, Clarias lazera, Tilapia nilotica and Barbas bynni was investigated. 234 (66.5%) out of 352 examined freshwater fishes were infected with the helminth parasites. Single or mixed infections were noticed among the infected fishes. Out of the the fish examined, 72.2% were found harbouring Trematode parasites, 8.1% harboured nematodes ... Read more