They make things waterproof they make things oil proof - they're just really present," said Catherine Neuschler with the Minnesota Pollution Control Agency. The healthiest freshwater fish, Bass, is a rich source of Vitamin A and folate, more so than any other freshwater or saltwater fish. "These chemicals are manufactured chemicals that are ubiquitous across commerce because they're really useful. I probably don't eat fish more than once a month, to be honest," said Mueller. I keep track of what the experts say you should consume. Jeff Mueller has been fishing in Minnesota since the 60s - well before PFAs chemicals were a concern - enjoying a fish here or there as most of us do. Recent research from the Environment Research Journal suggests that eating one freshwater fish may contain enough of a chemical called PFAs - perfluoroalkyl and polyfluoroalkyl substances - that which is the equivalent of drinking a month's worth of water contaminated with the toxic chemicals. These species include Archerfish, Angelfish, Spiny Eels, African Butterfly fish, and some killifish species. Some opportunistic carnivorous freshwater species will try to eat smaller fish on occasion. But as more science comes out, there are more worries about what's in our freshwater fish. But in captivity, while being fed regularly and having enough room in a tank, typical predators will pretty much ignore smaller tank mates. MINNEAPOLIS - Fishing is a staple in Minnesota - not only for recreation but also as a source to bring home food. WASHINGTON A new study by Environmental Working Group scientists finds that consumption of just a single serving of freshwater fish per year could be equal to a month of drinking water laced with the forever chemical PFOS at high levels that may be harmful.
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