Why Parrotfish teeth are harder than many metals

Parrotfish teeth are harder than many metals

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Parrot fish teeth are harder than gold, copper and silver

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Parrotfish are prolific eaters – and excreters

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Parrotfish build sleeping bags made of mucus

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Parrotfish are gender fluid colour changers

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Parrotfish change their sex throughout their lives

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swapping from female to male as they grow.

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Parrotfish woo with dancing under the full moon

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