Figure 6From: Trade-off between morphological convergence and opportunistic diet behavior in fish hybrid zoneStable isotope analyses. δ13C- δ15N bi-plots with individuals plotted based on their stable isotope signatures. Allopatric and sympatric populations. Circle interior color: red: Ctt; green: Cnn; black: hybrids; Circle outline color: blue: HR river part; pink: LR river part.Back to article page