Fig. 1From: Monogeneans in intergeneric hybrids of leuciscid fish: Is parasite infection driven by hybrid heterosis, genetic incompatibilities, or host-parasite coevolutionary interactions?Monogeneans in pure species, F1 generations and backcross generations of hybrids. Monogenean abundance (A) and species richness (B) on A. brama, R. rutilus, F1 generation of hybrids with A. brama mtDNA (F1 AB × RR), F1 generation of hybrids with R. rutilus mtDNA (F1 RR × AB), backcross generation with A. brama mtDNA and paternal R. rutilus (Back RR), backcross generation with A. brama mtDNA and paternal A. brama (Back AB); AB—A. brama, RR—R. rutilus. Significant difference between fish groups are shown by asterisksBack to article page