Occurrence of parasites in selected fish species in Gandoman Lagoon, Iran

This study was carried out to investigate occurrence of parasites in selected cyprinid fish species in Gandoman Lagoon, in the vicinity of Gandoman City, Chaharmahal and Bakhtyari Province. A total of 90 fish specimens, including Cyprinus carpio, Carassius auratus gibelio, Capoeta aculeata, C. damascina, Chondrostoma regium and Alburnus alburnus from Gandoman were examined during spring and summer 2007. Ten species of parasites were found, including Ichthyophthirius multifiliis, Trichodina sp. (Cilliophora), Myxobolus musayevi, Myxobolus sp. (Myxozoa), Dactylogyrus extensus, D. lenkorani (Monogenea), Diplostomum spathaceum, Tylodelphys clavata (Digenea), Argulus foliaceus and Lernea cyprinacea (Crustaceans). 77.7% of fishes were infected to at least one of hese parasites.. Chondrostoma regium and Alburnus alburnus are reported as new hosts for D. extensus, in the present study.