Table 4.

Genetic distance of COI gene among (below the diagonal) and within (on the diagonal) groups, and the divergence time between groups (above the diagonal).

	Group 1	Group 2	Group 3	Group 4	Group 5	Group 6	Group 7	Group 8
Decapterus macarellus	0.005	5.92	6.33	5.25	7.17	7.67	10.25	14.75
Decapterus sp. 2	0.071	0	5.67	5.17	8.17	7.42	9.92	15.92
Decapterus sp. 1	0.076	0.068	0	3.00	7.92	7.75	10.08	16.50
Decapterus macrosoma	0.063	0.062	0.036	0.007	7.50	7.58	11.58	16.00
Decapterus russelli	0.086	0.098	0.095	0.09	0	2.58	7.75	14.50
Decapterus maruadsi	0.092	0.089	0.093	0.091	0.031	0.002	8.17	14.67
Trachurus japonicus	0.123	0.119	0.121	0.139	0.093	0.098	0	12.33
Selar crumenophthalmus	0.177	0.191	0.198	0.192	0.174	0.176	0.148	0.009

Unit of divergence time: millions of years.