How Is Echolocation Used To Find Fish?
How Is Echolocation Used To Find Fish? Fisheries sonar works by emitting pulses of sound and measuring the return strength. Anything having a different density from the surrounding water (e.g., fish, plankton, air bubbles, the seafloor) can return a signal. How are sonars used? Sonar uses sound waves to ‘see’ in the water. NOAA scientists