Identification of crustacean parasites in some fishes of Mahabad reservoir

This study was carried out on endemic and economical fishes of Mahabad reservoir in 1998 to 1999. In this regard, 144 specimen belong to 13 species or Capoeta capoeta, Chalcalburnus atropatenae, Leuciscus cephalus, Cyprinus carpio, Hypophthalmichthys moltrix, Acantalburnus uremianus, Ctenopharyngodon idella, Hypophthalmichthys nobilis, Carassius auratus, Abramis brama, Barbus lacerta, Nemachilus sp. and Silurus glanis were studied from point of infections on different tissues and organs such as skin, fins and gills. The prevalence of infestation was found 34.72% and the identified parasites based on abundance were as follow: Ergasilus peregrinus Heller, 1865, Lernaea cyprinacea Linnaeus, 1758 and Tracheliastes polycolpus Nordmann, 1832, in which among them L. cyprinacea was found as more dangerous parasite. Among studied fishes, L. cephalus and C. capoeta were contaminated with all above mentioned parasites whereas there were not observed any infections for other fishes