TY JOUR TI MORPHOLOGICAL ANOMALIES AND TRAUMAS OF FOUR SPECIES OF WHITEFISH DURING THE PERIODS OF SPAWNING MIGRATION IN THE URAL TRIBUTORIES OF THE OB RIVER KW whitefish KW broad whitefish KW tugun KW Siberian cisco KW spawning migration KW the Ob river KW morphological anomalies KW traumas KW pathology estimation JO Vestnik of Astrakhan State Technical University. Series: Fishing industry AU Goskova, O.. AU Melnichenko, I.. PY 2015 IS 2015 PB Astrakhan State Technical University