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What Tires Leave Behind Can Become Toxic Fish Food
Eos
2026
Rebecca Owen
Summary
Tiny bits of worn-down tire rubber end up in oceans and rivers, and new research shows fish will actually eat these particles—mistaking them for food. This can hurt the fish's growth and change how they behave, which matters because these same fish often end up on our dinner plates, meaning tire pollution could be quietly working its way up the food chain to us.
Tire particles might seem tasty, if you’re a fish—but a new study shows how this pervasive microplastic can affect growth and behavior in marine species.