Fig. 1. "A monograph of the decapod Crustacea of Formosa" published in 1923.

Fig. 2 . Pictures of the dorsal view of Uca formosensis, which is the earliest picture found of this species, copied from the plate of "A monograph of the decapod Crustacea of Formosa" (1923).

Fig. 3. The monograph of "Fiddler Crabs of the World" by Jocelyn Crane (1975).

Fig. 4. Sadae Takahasi, the first man who studied the ecology and behavior of Uca formosensis.

Fig. 5. The vertical waving behavior of Uca formosensis.