How do marine animals communicate using sound?
Just like humans, marine animals use sound as a way to communicate with one another. They generate sounds to attract mates, defend territories, maintain coordination in groups, and generally pass on information. Whales and dolphins are celebrated for their sounds, but many species of fish and marine invertebrates also use sound. Animals change the rate of sound production and the structure of the sounds to send different messages. Some sounds may be used to startle or scare off predators, including the loud sounds produced by invertebrates such as spiny lobsters.
