TY JOUR TI CHANGES IN BODY SHAPE OF MALE AND FEMALE PERCH AND ROACH IN SYMPATRIC POPULATIONS OF THE VERKHNE-VYISKY RESERVOIR AT VARIOUS PHASES OF THE SEASONAL CYCLE KW variability KW perch KW roach KW body shape KW geometric morphometrics KW seasonal cycle JO Bulletin of KSAU AU Baranov, V.Y. PY 2016 IS PB Krasnoyarsk State Agrarian University