Food resource used by small-sized fish in macrophyte patches in ponds of the upper ParanĂ¡ river floodplain - DOI: 10.4025/actascibiolsci.v31i2.3266. (2009). Acta Scientiarum. Biological Sciences, 31(2), 119-125. https://doi.org/10.4025/actascibiolsci.v31i2.3266