What is the dirtiest fish in the world? Nutrition and Safety
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4 min read
According to a study published in the journal *Environmental Research*, freshwater fish in the United States contain levels of toxic chemicals high enough to be harmful to human health. There is no single consensus on **what is the dirtiest fish in the world**, as the answer depends on the type of contamination, but several species are flagged for concerning levels of mercury, PCBs, and other pollutants.
