Figure 1-7.
Medaka fishes illustrated by Motohisa Mouri (1798–1851) in his encyclopedia, Baien-gyofu. Three medaka are drawn on top: from left, shiro (white, b-r); hi (orange-red, b); and wild-type medaka. (Reproduced from http://www.ndl.go.jp/, with permission of National Diet Library, Japan.)