Study: Fish Will Start Losing Sense of Smell as Carbon Dioxide Levels Rise

This article discusses the impact climate change is having on fish.

Just as humans rely on their sense of smell to detect suitable food and habitats, avoid danger, and find potential mates, so do fish — only instead of sniffing scent molecules floating through the air, they use their nostrils to sense chemicals suspended in water.

But fish will start losing their ability to detect different smells by the end of the century if atmospheric carbon dioxide levels keep rising, scientists warned in a recent study published in the journal Nature Climate Change.

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