Abstract

This study was carried out between November 2013 and May 2015, to determine the fish fauna inhabited in the Atatürk Dam lake. The specimens were obtained by different technical fishing gears. It was determined that specimens caught were belonging to 25 species (Capoeta trutta, Capoeta umbla, Cyprinon macrostomus, Arabibarbus grypus, Carasobarbus luteus, Carassius carassius, Carassius gibelio, Cyprinus carpio, Garra variabilis, Luciobarbus esocinus, Luciobarbus mystaceus, Luciobarbus xanthopterus, Acanthobrama marmid, Alburnus mossulensis, Chondrostoma regium, Leuciscus vorax, Squalius cephalus, Cobitis elazigensis, Mystus pelusius, Silurus glanis, Silurus triostegus, Glyptothorax kurdistanicus, Oncorhynchus mykiss, Mastacembelus mastacembelus, Planiliza abu) and 8 families (Cyprinidae, Cobitidae, Bagridae, Siluridae, Sisoridae, Salmonidae, Mastacembelidae, Mugilidae) were identifed. The most dominant family in the Atatürk Dam Lake is the Cyprinidae with 17 species and eightteen species within 25 species that were identified have commercial value. The existence of Silurus glanis, Mystus pelusius and Carassius carassius was determined for the first time in Atatürk Dam Lake and they are new records for the lake.