PURPOSE: To provide the objective feeding machine capable of automatically and simultaneously supplying proper amounts of a feed to fishes cultured in plural fish preserves by disposing a manual feeding machine and plural automatic feeding machines following the feeding movement of the manual feeding machine.

CONSTITUTION: In the objective automatic feeding machine for simultaneously supplying a feed E to plural fish preserves 310, 320 and 330, a manual feeding machine 100 and plural automatic feeding machines 210a and 210b for supplying the feed E while following the feeding movement of the feeding machine 100 are disposed. The automatic feeding machines are equipped with feed hoppers 110, 210a and 210b, with hopper-switching members 120, 220a and 220b for opening or closing the feeding holes of the hoppers 110, 210a and 210b and with a signal-outputting member 130 for outputting switching signals to the plural automatic feeding machines 200a and 200b on the switching movement of the switching member 120.