Playing sounds of healthy coral on reefs makes fish return (2019)
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Scientists lure fish to dead reefs using speakers playing healthy coral sounds
https://www.abc.net.au/news/science/2019-12-03/great-barrier-reef-coral-fish-acoustics/11760016
Underwater speakers playing healthy coral reefs noises double the amount of fish on damaged reefs, giving scientists hope that sound could be used to help restore them.