highly significantP < 0.0001
The correlations of divergence patterns between all three species are highly significant: S. intermedius — S. droebachiensis (rho = 0.719; P < 0.0001), S. intermedius — S. pallidus (rho = 0.657; P < 0.0001), and S. droebachiensis — S. pallidus (rho = 0.748; P < 0.0001).