Responses of free-living coastal pelagic fish to impulsive sounds.

  title={Responses of free-living coastal pelagic fish to impulsive sounds.},
  author={Anthony D. Hawkins and Louise Roberts and Samuel Cheesman},
  journal={The Journal of the Acoustical Society of America},
  volume={135 5},
The behavior of wild, pelagic fish in response to sound playback was observed with a sonar/echo sounder. Schools of sprat Sprattus sprattus and mackerel Scomber scombrus were examined at a quiet coastal location. The fish were exposed to a short sequence of repeated impulsive sounds, simulating the strikes from a pile driver, at different sound pressure levels. The incidence of behavioral responses increased with increasing sound level. Sprat schools were more likely to disperse and mackerel… CONTINUE READING

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