highly significantp < 0.0001
All regressions were highly significant (p < 0.0001).
All regressions were highly significant (p < 0.0001).
While heterologous hybridization performed well for the two Tanganyikan cichlids and the closely related tilapia, a marginally significant decrease in the number of hybridized spots was seen for the more distantly related species (Kruskal-Wallis test: χ 2 = 13.35; p = 0.06).