Assessment of erythrocytes morphological changes in peripheral blood of fish with a high content of lead ions in aqueous medium

This work presents the results of morphological studies of crucians (Carassius сarassius L.) and perches (Perca fluviatilis L.) blood. The fish has been kept in an aquarium with the lead content less than 0,005 mg/dm3 -a control group, and in an aquarium with the lead content of 1.21 mg/dm3 - an experienced group. In the evaluation of blood cells a variety of destructive disorders of erythrocytes has been taken into account.