Credit We appreciate many individuals and institutions for their contributions of many photographs and cooperations of constructing this homepage. This project was partly supported by the Grant-in-Aid for Scientific Research from Japan Society for the Promotion of Science (No. 198079). ■Contribution of photographs Hideharu Aoshima (Shizuoka Prefectural Government, Department of Industry) Teruhiko Awakura (Hokkaisuiko Consultant Corp.) Hiroaki Iketake Yukio Ishihara (Tottori Prefectural Fisheries Experimental Station) Naoki Itoh (Graduate School of Agricultural Science, Tohoku University) Shigehiko Urawa Shuzo Egusa (The University of Tokyo, Emeritus Professor) Tomomichi Otani (Graduate School of Agricultural and Life Sciences, The University of Tokyo) Hideo Oka Harumi Obata (Mie Prefectural Science and Technology Promotion Center) Tetsushi Kageyama (Gifu Prefectural Freshwater Fish Research Institute) Ryuhei Kinami (Graduate School of Agricultural and Life Sciences, The University of Tokyo) Ryoji Kuranaga (Tottori Prefectural Fisheries Experimental Station) Kay Lwin Tun (Yangon University) Chikako Satoh (Sendai City Food Inspection Center) Akihiro Sugita (Fukui Prefectural Government) Ikuo Takami (Nagasaki Prefectural Institute of Fisheries) Shinji Tanaka (Mie Prefectural Science and Technology Promotion Center) Jin-Yong Zhang (Graduate School of Agricultural and Life Sciences, The University of Tokyo) Kozue Tensha (Yamaguchi Prefectural Fisheries Research Center) Hayato Donai (Nagasaki Prefecture Fisheries Department) Osamu Hasegawa (Kanagawa Prefectural Fisheries Technology Center) Hitomi Hirose (Nihon University, College of Bioresource Sciences) Yutaka Fukuda (Oita Prefectural Agriculture, Forestry and Fisheries Research Center) Keiichi Masuda (Hyogo Prefectural Government, Tajima Fisheries Office) Hitoshi Matsuo (Azuma-cho Fishermen's Cooperative Society) Mark Freeman (University of Stirling) Seiji Miyajima (Graduate School of Agricultural and Life Sciences, The University of Tokyo) Kazuo Momoyama Tetsuya Yanagida (Asahikawa Medical College) Tomoyoshi Yoshinaga (Graduate School of Agricultural and Life Sciences, The University of Tokyo) Shinichi Wakabayashi (Toyama Prefectural Fisheries Experimental Station) ■Construction of homepage Tetsuya Yanagida (Asahikawa Medical College) Seiji Miyajima (Graduate School of Agricultural and Life Sciences, The University of Tokyo) Sho Shirakashi （University of Munich)