TY JOUR TI RESPONSE OF JUVENILE ROACH RUTILUS RUTILUS (LINNAEUS, 1758) TO THE HETEROGENEITY OF FOOD RESOURCES IN A TEMPERATURE GRADIENT KW preferred temperature KW thermoregulatory behavior KW temperature optimum KW fish fry JO Vestnik of Astrakhan State Technical University. Series: Fishing industry AU Smirnov, A.. AU Smirnova, E.. PY 2015 IS 2015 PB Astrakhan State Technical University