Isolation and Diagnosis of the Myxozoa Parasitizing in some Fish Species in Tigris River at Salah Al-Din Governorate, Iraq

The currently study was achieved from February 2021 to end January 2022 to investigate the external and intestinal parasites in some fish species of Tigris river passing Tikrit city. During the period of this study, 580 fish were collected that belonged to seven families and 16 species. These fish are represented 45 Acanthobrama marmid, 40 Alburnus sellal, 30 Arabibarbus grypus, 65 Carasobarbus luteus, 55 Chondrostoma regium, 60 Cyprinion kais, 60 Cyprinius carpio, 50 Leuciscus vorax, 21 Luciobarbus xanthopterus, 14 Squalius Lepidus, 13 Mystus pelusius, 10 Silurus triostegus, 10 Heterropneutes fossilis, 12 Mastacembelus mastacemblus, 30 Coptodon zilli and 65 Planiliza abu.  This study diagnosis 12 species of Myxoblus: M. bouixi, M. bramae, M. branchiophilus, M. cyprinicola, M. dispar, M. ellipsoides, M. infundibulatus, M. koi, M. magnus, M. molnari, M. musculi, and M. shaerica.