Institution: | Marine Biochemistry Division, National Research Institute of Fisheries Science, Yokohama, Kanagawa 236-8648;, Department of Biology, Kawasaki Medical School, Kurashiki, Okayama 701-0192;, Faculty of Fisheries, Hokkaido University, Hakodate, Hokkaido 041-8611 and; Coastal Fisheries and Aquaculture Division, National Research Institute of Fisheries Science, Yokosuka, Kanagawa 238-0316, Japan |