First Record of Contracaecum rudolphii Hartwich, 1964 in Carassius gibelio (Bloch, 1782) From Turkey

Thirty-eight individuals of Prussian carp, Carassius gibelio (Bloch, 1782) were collected from Karataş Lake, Burdur-Turkey and analyzed for parasite fauna. We found the nematode larvae of Contracaecum rudolphii Hartwich, 1964 in one sample (prevalence 2.63%, mean intensity of infestation 27 parasites per fish). The individual parasite was found around the pancreas, fibrous connective tissue and its mesentery. To our knowledge, this is the first record of anisakid nematode, Contracaecum rudolphii in Turkey. Therefore, a new locality has been added to the geographical distribution of the parasite species. Furthermore, slight to severe inflammatory cells were seen on the infected tissue. Granulomatous reaction characterized by mononuclear cells and fibrous tissue proliferations were also seen around the parasite located areas.