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Toxic Chemicals Found in Tuna
Researchers say pollutant levels in tuna caught closer to more industrialized locations carry 36 times more pollutants — including pesticides, flame retardants and polychlorinated biphenyls (PCBs) — than the same species caught in more remote locations, like in the West Pacific Ocean.

In a first-of-its-kind global study, scientists from Scripps Institution of Oceanography at the University of California, San Diego analyzed 117 yellowfin tuna taken from 12 locations worldwide, measuring the contaminant levels of each. They found yellowfin tuna caught closer to more industrialized locations off North America and Europe can carry 36 times more pollutants — including pesticides, flame retardants and polychlorinated biphenyls (PCBs) — than the same species caught in more remote locations, like in the West Pacific Ocean.



 
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Illegal Fish Harm Coldwater Systems - One of the biggest issues to emerge in recent years is the threat posed to our aquatic resources from invasive and introduced species, ranging from zebra mussels to introduced non-native fish such as walleye. These introduced species threaten the special and valuable native fisheries.


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