Do fish make noise? New technology lets the public hear coral reefs up close

Do fish make noise? New technology lets the public hear coral reefs up close

Coral reefs are necessarily gorgeous in color and movement, but below the waves there is a similarly colorful world of sound. Underwater, there is a soundscape of snapping shrimp, grunting fish, and other animals that fill the scene. Scientists have long believed that these soundscapes are vital for survival, giving animals sonic cues to use to find shelter, avoid predators, and even choose where to reside. But until recently, scientists struggl…