"No. of cytotype";"Number / sex of individuals";"Number of metaphase plates";"Locality (see sampling sites nos. in Table 1 and Fig. 1)";Region
I;22;551;"1–7, 10–12";"Sea of Okhotsk; northern Sea of Japan"
"(10♀, 10♂, 2 juv)"
II;5;271;"10, 12, 13";"Northern Sea of Japan"
"(1 ♀, 2 ♂, 2 juv)"
III;3;130;"10, 13, 14";"Northern Sea of Japan"
"(1 ♀, 1 ♂, 1 juv)"
IV;3;148;"11, 13, 14";"Northern Sea of Japan"
"(2 ♂, 1 juv)"
V;9;420;"8, 9, 15";"Western Sea of Japan; coastal waters off the southern Kuril Islands"
"(3 ♀, 5 ♂, 1 juv)"