TY - SER AU - Peretti,D. AU - Andrian,I.F. TI - Feeding and morphological analysis of the digestive tract of four species of fish - Astyanax altiparanae, Parauchenipterus galeatus, Serrasalmus marginatus and Hoplias aff. malabaricus- from the upper Paraná River floodplain, Brazil / D. Peretti ; I. F. Andrian PY - 2008/// KW - Ecología KW - Ecology KW - Biología KW - Biology KW - Morfología KW - Morphology KW - Estomago KW - Peces de Agua Dulce KW - Parana River KW - Stomach KW - Freshwater Fish N1 - Disponible en caja 14 no 44 ER -