Infection of some species of fresh water fishes to Parasitic Worms in Khouzestan Province, Iran

Abstract

During a survey on parasitic worms infection of local freshwater fishes in years 1994-95 in Khouzestan province wetlands, 206 individuals of fishes (62 individuals of Barbus luteus Heckel, 1843; 30 individuals of Cyprinus carpio L.; 6 individuals of Silirus triostegus Heckel, 1843; 92 individuals of Liza abu Heckel, 1843 and 15 individuals of Aspius vorax Heckel, 1843 of Hoor-al-azim and Hoor-shadegan were catched and they were examined. One of 62 B. luteus and two of 3 C. carpio were infected to Bothriocephalus opsariichthys Yamaguti, 1943 and two of 6 S. triostegus were infected to proteocephalus sp. Weinland, 1858. In this study, frequency of infection in B. luteus and C. carpio to B. opsariichthys was 1.6% and 6.6% respectively, and in S. triostegus was 33.3% to proteocephalus sp. One of 15 A. vorax and 51 of 93 L. abu were infected to Neoechinorhynchus tylosuri. In this study female and male parasites were collected from fish intestine. Frequency of infection in A. vorax and L abu were 6.6% and 54.8% respectively. This is the first record of N. tylosuri infection in A. vorax in Iran.