Scientists from the UK and Australia used speakers. They try to bring back the fish to the dead coral reefs to help them recover.
They replicate the sound of healthy coral reefs, according to a recent study published in Nature Communications. The scientists used the process called “acoustic enrichment”.
Scientists used speakers on dead coral reefs
They placed loudspeakers on the patches of dead corals of the Great Barrier Reef. And they discovered that twice as many fish came and stayed at the reef. They compared this to the patches that they didn’t place any speakers.
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One of the study’s authors, Steve Simpson, a professor of marine biology and global change at the University of Exeter said,
Healthy coral reefs are remarkably noisy places — the crackle of snapping shrimp and the whoops and grunts of fish combine to form a dazzling biological soundscape. Juvenile fish hone in on these sounds when they’re looking for a place to settle,
Reefs become ghostly quiet when they are degraded, as the shrimps and fish disappear, but by using loudspeakers to restore this lost soundscape, we can attract young fish back again.
The vast diversity of fish could play a big role in the reef’s road to recovery and scientists are optimistic. But it’s still a long road ahead and let us hope that this will be the start of that recovery.