Table 1.

Variable sites of haplotypes based on mtDNA COI sequence.

Variable site				6	9	24	45	51	81	117	126	129	138	225	261	267	288	348	366	384	387	390	459	468	495	498	501	508	516	525	582
Region	Haplo-type	Frequ-ency	GenBank accession no.	T	A	A	T	A	A	A	G	T	C	T	A	G	C	C	A	A	T	T	T	A	A	A	T	T	C	A	G
NW	Hap_1	4.92%	MF167270	.	.	.	.	.	G	.	.	.	T	.	.	A	.	.	.	G	.	C	C	T	G	.	C	C	T	.	A
	Hap_2	1.23%	MF167271	.	.	G	.	.	G	.	.	.	T	.	.	A	.	.	.	G	.	C	C	T	G	.	C	C	T	.	A
NE	Hap_3	29.92%	MF167272	.	.	.	.	G	.	.	.	.	T	.	G	.	.	T	.	G	.	.	C	T	G	G	.	C	T	G	.
	Hap_4	9.02%	MF167273	.	.	.	.	G	.	.	.	.	.	.	G	.	.	T	.	G	.	.	C	T	G	G	.	C	T	G	.
	Hap_5	1.23%	MF167274	.	.	.	.	G	.	.	.	.	T	C	.	.	.	T	.	G	.	.	C	T	.	G	.	C	T	G	.
	Hap_6	1.64%	MF167275	.	.	.	.	G	.	.	.	.	T	.	.	.	.	T	.	G	.	.	C	T	G	G	.	C	T	G	.
SP	Hap_7	0.82%	MF167276	.	G	.	.	.	.	G	.	.	.	.	.	.	.	.	.	.	C	.	.	.	.	.	.	.	.	.	.
	Hap_8	44.67%	MF167277	.	G	.	.	.	.	G	.	.	.	.	.	.	.	.	.	.	.	.	.	.	.	.	.	.	.	.	.
	Hap_9	1.64%	MF167278	.	G	.	.	.	.	.	.	.	.	.	.	.	.	.	.	.	.	.	.	.	.	.	.	.	.	.	.
	Hap_10	0.41%	MF167279	.	G	.	.	.	.	G	.	.	.	.	.	.	.	.	G	.	.	.	.	.	.	.	.	.	.	.	.
	Hap_11	2.46%	MF167280	.	.	.	.	.	.	G	.	.	T	.	.	.	.	.	.	.	.	.	.	.	.	.	.	.	.	.	.
	Hap_12	0.41%	MF167281	.	G	.	.	.	.	G	.	C	.	.	.	.	T	.	.	.	.	.	.	.	.	.	.	.	.	.	.
	Hap_13	0.41%	MF167282	.	G	.	.	.	.	G	A	.	.	.	.	.	.	.	.	.	C	.	.	.	.	.	.	.	.	.	.
	Hap_14	0.41%	MF167283	.	G	.	.	.	.	.	.	.	.	.	.	.	.	.	.	.	.	.	.	.	.	.	.	.	.	G	.
	Hap_15	0.82%	MF167284	C	.	.	C	.	.	G	.	.	T	.	.	.	T	.	.	.	.	.	.	.	.	.	.	.	.	.	.

Unique nucleotide positions which separate the Northern and Southern Hemispheres, the Northwest Pacific from the others and the Northeast Pacific from others were represented in bold, italic and underlined text, respectively (NW = Northwest Pacific; NE = Northeast Pacific; SP = South Pacific).