When asked which is the loudest animal in the ocean, most people would guess it’s a whale — maybe a sperm whale which clicks at an ear-rattling 230 decibels (dB), or a blue whale whose deep calls can ...

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 ...