Use of bioacoustics in species identification: Piranhas from genus Pygocentrus (Teleostei: Serrasalmidae) as a case study
Fig 6
Comparison of acoustic features of red and yellow-bellied Pygocentrus nattereri.
Boxes represent the median ± interquartile range (IQR) and lines represent Q1–1.5 IQR and Q3 + 1.5 IQR. ** = P < .01; *** P < .001; Wilcoxon-Mann-Whitney.