Did you know fish chirp, crackle and whoop?! Hear why fish make these surprising sounds as Professor Steve Simpson reveals how technology is uncovering a hidden world of communication on our coral reefs. Subscribe: http://bit.ly/SubscribeToEarthUnplugged

Animal Slow Motion: http://bit.ly/EarthUnpluggedSlowMotio...
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Big Questions with Maddie: http://bit.ly/BigQuestionsWithMaddieM...
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Ocean X Media are a team of scientists, explorers and filmmakers driven to discover what lies beneath the waves and to document untold ocean stories. You can find out more here: http://www.oceanx.org

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