2.3M views · 50K reactions | This Tiny Fish is Louder Than an Elephant - A creature smaller than your fingernail can out-roar an elephant. How is this possible? What hidden power lies inside the tiny Danionella cerebrum? According to scientists at the Senckenberg Natural History Museum, this fish holds a unique biological secret. But why would such a small animal need to be so loud? The answer will change how you think about the limits of nature. | The Brain Maze | Facebook

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