“…Concordantly, A. anisitsi in the Pantanal feeds mainly on aquatic insects during the rainy season and terrestrial insects in the dry season (Corrêa et al, 2009) while in the upper Paraná River floodplain in Brazil, this species fed mainly on microcrustaceans (Cladocera and Copepoda), in addition to Decapoda larvae, insect larvae and detritus (Russo & Hahn, 2006). Although there is no information on C. borellii diet, other Characidium species show a carnivorous diet: C. rachovii feed on Diptera (aquatic stage) and Amphipoda (Bastos et al, 2013), and C. lanei and C. pterostictum feed mainly on insects larvae and arthropods (Aranha et al, 2000). Cheirodon interruptus also had a carnivorous diet (Cazorla et al, 2003;Escalante, 1987) but a "medium" sized intestine and number of caeca ( Figs.…”