Food partitioning between sympatric species of Serrapinnus (Osteichthyes, Cheirodontinae) in a tropical stream - doi: 10.4025/actascibiolsci.v33i2.7593. Acta Sci. Biol. Sci. 2011;33(2):153-159. doi:10.4025/actascibiolsci.v33i2.7593