Ocean life is far noisier than we might think.
The myth of the 'silent world' beneath the waves is something Craig Radford is trying to correct.
Craig is a Professor of Marine Science at the University of Auckland and talks to Emile Donovan about what's happening acoustically beneath the surface of the ocean.
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A kingfish swims near the Kermadec Islands, surrounded by other fish. Photo: Malcolm Francis / NIWA