Table 1.

Sampling information, number of genotypes based on Amplified fragment length polymorphism (AFLP) and allozyme analyses, and types of mtDNA lineages.

Species	ID	Sample Location	Sample Size	Date of Collection	Genotype Based on AFLP	Genotype Based on Allozyme *	mtDNA lineage *
A. personatus	QD	Qingdao	15	April 2005	Southern clade	Southern group	One lineage(A)
	F	Fukuoka	18	April 2005	Southern clade	Southern group	One lineage(A)
	KA	Kagawa	8	April 2005	Southern clade	Southern group	One lineage(A)
	H	Hyogo	13	April 2005	Southern clade	Southern group	One lineage(A)
	I	Ise Bay	8	May 2005	Southern clade	Southern group	One lineage(A)
	OD	Oodose	29	May 2006	Southern clade	Southern group	Two lineages (A: B = 28:1)
	SS	Sendai Bay	22	April 2006	Southern clade	Southern group	Two lineages (A: B = 20:2)
	SN	Sendai Bay	29	April 2006	Northern clade	Northern group	Two lineages (A: B = 10:19)
	HA	Hachinohe	13	June 2005	Northern clade	Northern group	Two lineages (A: B = 2:11)
	IB	Ishikari Bay	25	April 2006	Northern clade	Northern group	Two lineages (A: B = 11:14)
	R	Rebun Island	16	June 2006	Northern clade	Northern group	Two lineages (A: B = 5:11)
	C	Cape Soya	15	June 2006	Northern clade	Northern group	Two lineages (A: B = 5:10)
A. hexapterus	AH	Cape Soya	36	June 2006
Total			247

* Genotypes based on allozyme and mtDNA lineage analyses according to Han et al [15].