Abstract This investigation was carried out near Gökçeada (Aegean Sea) and Antalya (Mediterranean) between May 2000-September 2000 , to search for the parasite fauna of Chub Mackerel (Scomber japonicus (Houttyn, 1780)). A total 232 Chub Mackerel were caught. 9 parasite species, 4 belonging to ectoparasites, 5 to endoparasites, were found near Gökçeada. 5 parasite species, 2 belonging to ectoparasites, 3 to endoparasites, were found near Antalya. The parasites found were Myxobolus sp. (Myxosporae), Octosoma scombri (Monogea), Ectenurus lepidus, Opechona ollsoni, Lepidopedon elongatum (Digenea), Anisakis simplex, Contracaecum aduncum (Nematoda), Lernaea sp. , Hatschekia sp. (Copepoda) near Gölçeada, Myxobolus sp., Octosoma scombri, Ectenurus lepidus, Lepidopedon elongatum, Anisakis simplex near Antalya.