Ciliophoran and Myxozoan Parasites of Fishes from the Euphrates River at Al-Musaib City, Babylon Province, Mid Iraq
During the period from July 2006 till the end of June 2007, a total of 472 fish specimens belonging to eight families and 24 species from the Euphrates River at Al-Musaib city, Babylon province, mid Iraq were inspected for parasites. Among the total of 65 parasite species recorded from these fishes, three ciliates (phylum Ciliophora) and two myxosporeans (phylum Myxozoa) were recorded. The ciliates included Ichthyophthirius multifiliis, Trichodina cottidarum and T. domerguei while the myxosporeans included Myxobolus oviformis and M. pfeifferi. All these parasites were detected from the gills only. Apart from few exceptions, the percentage incidence of infection with all these parasites was generally low. Among all these parasites, I. multifiliis infected the highest number of hosts (14 host species), while M. oviformis infected only one host. Among these fishes, both Cyprinion kais and Liza abu were infected with the highest number of parasite species (four species) while six fish species were infected with only one parasite species. In addition, a total of 13 new host records in Iraq were reported for four species of these parasites.
Ciliophora, Ciliata, Myxozoa, Myxosporea, Freshwater Fishes, Euphrates River, Iraq
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