Prof. Hiroya Kawanabe: Former Director General of the Lake Biwa Museum, Japan. Graduated with a doctorate degree from Kyoto University (zoology) and then worked as a lecturer, associate professor and professor, with the Director of Ecological Research Center at the same university. Director General at the Lake Biwa Museum from April 1996 until March 2010. Fields of expertise: Ecology of community relationships. Biological and cultural diversity Key words of research: Freshwater fish, relationships among organisms as a whole, historical characteristics of communities.