ICHTHYOFAUNA COMPOSITION THE IRSHAVA RIVER

There was studied the current state of fish fauna of the river Irshava Danube basin, Transcarpathian region). Fish fauna of the river Irshava comprises 16 species, which belong to 8 families. It was found that the base of ichthyocomplex of upper part of the river consists of salmonids, which compose up to 68% of total number of fish. Cyprinids (62%), cobitids and percids prevail in the part, which precedes the river mouth and in the mouth.