Affiliation: | Miyazaki Prefectural Fisheries Experimental Station Kobayashi Branch, Kobayashi, Miyazaki 886-0005,;Marine Ecology Research Institute Central Laboratory, Onjuku, Chiba 299-5105,;Miyazaki Prefectural Fisheries Experimental Station, Miyazaki 889-2162 and;Laboratory of Aquatic Molecular Biology and Biotechnology, Graduate School of Agricultural and Life Sciences, The University of Tokyo, Bunkyo, Tokyo 113-8657, Japan |