For this purpose from October to February 2014, a total of 150 fish specimens belong to Abramis brama and Salmon trutta fario species were examined. The fish were predated from arrival area, median area and beside of the Vahdat dam in Sanandaj. After the samples transported to the laboratory parasitology, biometrics features such as total length, total weight, and the number of lateral line sequines were recorded, then digestive system of fishes were taken out and contents were investigated using a 100 pore mesh. Their GI mass were filtereted, for presence of any worm.Worms were collected and stained by carmin acid method. Our results showed that Salmon trutta fario fish were not contaminated, but neoechinorhynchus rutili (Acanthocephala) were found in Abramis brama fish inhabiting in Vahdat dam. Out of 75 fish, 59 (78.6%) were contaminated to neoechinorhynchus rutili. Acanthocephala numbers and measures were reported 1 to 18 and 3-18 mm, respectively.The present study is the first survey on digestive parasitic infections of Salmon trutta
