1976 年 42 巻 3 号 p. 265-270
Some mathematical simulations to estimate the change of form of fish school have been carried out by varying the combination of intensity of the forces. The forces that control the schooling behavior were devided into five factors; mutual attractive or repulsive force, mean swimming force, random force, force exerted by the change of circumstances and frictional force of swimming motion. The individuals maintained the schooling form when the intensities of mutual force and random force were balanced.