Institution: | Hokkaido National Fishery Research Institute, 116 Katsurakoi, Kushiro, Hokkaido 085-0802, Japan; Present address: Ocean Research Institute, University of Tokyo 1-15-1, Minamidai, Nakano, Tokyo 164-8639, Japan; Present address: Tohoku National Fishery Research Institute, Shinhama-cho 3-27-5, Shiogama 985-0001, Japan |