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The natural world. Looking pretty for 3.5b years.

Fish Song

Fish Song

Author: Hugh Bollinger/Tuesday, August 20, 2019/Categories: natural history, video, marine life, sustainability, environment, adventure

                                            Orbicular Batfish (credit: Wikipedia/Alexander Vasenin)

Everyone enjoys the sound of birdsong or the singing of Humpback whales. However, few knew that many other species sing as well. Using hydrophones, researchers at Curtin University in Perth, Western Australia, recorded reef fish singing like a chorus. They determined that certain fish species sing together, at dawn and dusk, like birds. According to their studies, the fish can use their swim bladders to produce noises while others use their teeth to create clicks. The calls may signal a location, defend a territory, or attract a mate. When the same calls are repeated by multiple fishes, they form a chorus. So far, the fish identified include the foghorn-like Blackspotted Croaker, the grunting of a Tiger Perch, and the laughing sounds of a Batfish species.

The study's lead researcher said: “I’ve been listening to fish singing for 30 years now and they still amaze me with their variety."

Too bad we can't hear their low-frequency sounds as the reefs might sound like an orchestra when all the fish are singing in unison.

WHB

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