Diet composition and food overlap of Acestrorhynchus britskii and A. lacustris (Characiformes: Acestrorhynchidae) from Sobradinho reservoir, São Francisco river, Bahia State - doi: 10.4025/actascibiolsci.v33i4.7240. Acta Sci. Biol. Sci. 2011;33(4):407-415. doi:10.4025/actascibiolsci.v33i4.7240