On the Underwater Sound as the Attractive Stimulus for Gold Fish

The use of the underwater sound stimulus is highly necessary to control fish in the managed fishery. Responses to frequencies and durations of the stimulus were investigated in gold fish. The most effective frequency coincided with the threshold of the fish. It was also found that the shorter the duration of the stimulus was, the more the sound stimulated the fish. Simultaneous feed is indispensable condition for the continuation of the attractive effect of the underwater stimulus