| What happens to the fish with ultra sound? |
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The fish do not hear ultrasound frequencies of 25-55kHz. Most of the fish speak & hear within the range of 400 - 800 Hz. There are ultrasound (acoustic waves, tones above 20 kHz) even in the nature, ultrasound when rain drops fall on hard ground surface or that in a waterfall.
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Frequenz Hörvermögen Fische
