One of the world’s largest freshwater fish is protected by the natural equivalent of a “bullet-proof vest,” helping it thrive in the dangerous waters of the Amazon River basin with flexible armor-like scales able to withstand ferocious piranha attacks. | Poal: Say what you want.

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One of the world’s largest freshwater fish is protected by the natural equivalent of a “bullet-proof vest,” helping it thrive in the dangerous waters of the Amazon River basin with flexible armor-like scales able to withstand ferocious piranha attacks. (the-japan-news.com)

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