Katsumi Tsukamoto is a Professor Emeritus of the University of Tokyo. He has established a scholarly foundation for understanding the basic principles of fish migration and the evolution of migratory behaviour, thereby contributing greatly to the advancement of fish biology. His discovery of the spawning area of the Japanese eel has provided a complete picture of their spawning migration ecology. He has fostered many scientists and encourage young people to think about harmonious coexistence between humans and nature.Mari Kuroki is an associate professor of the University of Tokyo. She has studied on life history and evolution of migratory fishes. She specializes in early life history, migratory diversity, and conservation of eels. She also focuses on ocean science education and has published many books. Soichi Watanabe is an associate professor of the University of Tokyo. His research centers around osmoregulation, nutrient absorption, and biological defence mechanisms inteleost fish.
