
Tab. 5. PERMANOVA (t - pairwise comparison) post hoc test results applied to species diet and Pianka’s niche overlap (O) between non-native (H. mbigua and H. unitaeniatus) and native (Hoplias sp. B and H. cf. malabaricus) Erythrinidae species in the upper Paraná River floodplain. *Considered significant.Species PairsPermanovaNiche OverlaptpOpH. mbigua x Hoplias sp. B1.220.0120.69<0.001H. mbigua x H. cf. malabaricus1.20.0150.51<0.002H. mbigua x H. unitaeniatus1.790.0010.02<0.003Hoplias sp. B x H. cf. malabaricus1.140.05*0.52<0.004Hoplias sp. B x H. unitaeniatus1.710.0010.05<0.005H. cf. malabaricus x H. unitaeniatus1.310.0280.15<0.006
