1. Nikko Field Station Fisheries Technology Institute Japan Fisheries Research and Education Agency Nikko Tochigi 321‐1661 Japan
2. Nagano Prefectural Fisheries Experimental Station Azumino Nagano 399‐7102 Japan
3. Yamanashi Prefectural Fisheries Technology Center 497 Ushiku Kai‐City Yamanashi 400‐0121 Japan
4. ESL Teacher and Translator Niš 18000 Serbia
5. Miyazu Field Station Fisheries Technology Institute Japan Fisheries Research and Education Agency Miyazu Kyoto 626‐0052 Japan
6. Research Institute of Marine Bioresources Department of Marine Bio‐Science Faculty of Life Science and Biotechnology Fukuyama University 452‐10, Innoshimaohama‐cho Onomichi Hiroshima 722‐2102 Japan