Objective: To survey on parasites of three barboid fishes from Tajan, and Zarem-roud Rivers in Mazandaran province.
Design: Descriptive study.
Animals: A total of 162 specimens of Barbus mursa, B.lacerta and B.capito.
Procedure: Random sampling out was carried during September 2001 to August 2002 from four different stations of Tajan and Zarem-roud Rivers. The fishes were transported alive to the laboratory where they were killed by transaction of spinal cord and then were examined for different parasites. The infected organs were fixed in formalin and stained by Haematoxilin-Eosin.
Statistical analysis: Descriptive statisites.
Results: The following parasites were detected: From B.mursa: Myxobolus azerbajdzanicus from primary filaments, Mkovali from secondary filaments, M.squamae from skin of head, M.tauricus
from fins, Mrutili from secondary filaments and Mosmaniae from intestinal wall. B.lacerta was infected by M. valdogeli in the secondary filaments and B.capito was infected in the muscles by Mmusculi.
Discussion: In southern part of the Caspian Sea Fauna Regions till now all together 20 different Myxobolus species were recorded. According to the results of this study Barbus mursa was revealed as a new host for 6 different Myxobolus species: Mazerbajdzanicus, Mkovali, M.squamae, Mtauricus, Mrutili and Mosmaniae. J. Fac. Vet. Med. Univ. Tehran. 58, 4:329-334, 2003.