in this study the effects of the most popular anaesthetics including: ms222, clove oil (eugenia caryophyllata) and 2-phenoxyethanol, on some haematological and serum enzymes of cyprinus carpio were investigated. firstly the effective dose of each anaesthetics (3 minutes for anesthesia and 5 minutes for recovery ) and lc50 of them were calculated in c. carpio. fish were anaesthetized with the ef...