Region;Population;Abbreviation;"Number size";"Collection date" "China coast";Weihai;WH;24;"June, 2009" Rushan;RS;23;"June, 2009" Qingdao;QD;24;"July, 2009" Zhoushan;ZS;24;"January, 2015" Wenzhou;WZ;14;"September, 2010" Xiamen;XM;24;"March, 2014" Shantou;ST;21;"August, 2015" Huizhou;HZ;21;"September, 2010" Guangzhou;GZ;18;"September, 2010" Hainan;HN;14;"September, 2010" Beihai;BH;24;"February, 2015" Total;231; "Japan coast";Niigata;NI;15;"June, 2015" Ishikawa;IS;10;"September, 2012" Yokosuka;YK;22;"November, 2011" Tottori;TO;24;"June, 2015" Shizuoka;SH;12;"September, 2012" Awaji;AW;15;"September, 2012" Hyogo;HO;24;"June, 2015" "Hakata Island";HA;14;"November, 2011" Kochi;KO;23;"September, 2012" "Iki Island";IK;21;"September, 2012" Ariake-kai;AR;10;"September, 2012" Total;190;