Table 4. Genetic distances (FST) estimated from D-loop sequences (below diagonal) and 10 microsatellite loci (above diagonal) using individuals with clear morphological and genetic distinction and putative morphological hybrids collected in Hiroshima.

	S. ventricosus	S. inermis	S. cheni	Black-white	Red-white
S. ventricosus		0.149	0.158	0.011	0.136
S. inermis	0.119		0.118	0.127	0.138
S. cheni	0.358	0.235		0.111	0.091
Black-white	0.003	0.104	0.254		0.087
Red-white	0.204	0.113	0.187	0.124

Note:

Bold values indicate statistical significance (P value < 0.005).