The diminutive medaka (Japanese rice fish) have been kept as pets since the Edo Period (1603-1868). They are hardy animals, an important quality for a pet, and they naturally occur in a variety of ...
Chikako Morinaga, Daisuke Saito, Shuhei Nakamura, Takashi Sasaki, Shuichi Asakawa, Nobuyoshi Shimizu, Hiroshi Mitani, Makoto Furutani-Seiki, Minoru Tanaka, Hisato Kondoh Proceedings of the National ...