TY  - JOUR 
T1  - 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
JO  - Brazilian Journal of Biology
A1  - Peretti, D.
A1  - Andrian, IF.
SN  - 1519-6984
UL  - 10.1590/S1519-69842008000300027
VL  - 68 
Y1  - 2008
PB  - Brasil 
ER  -