Carp, such as grass, black, and silver, as well as goldfish are among the most destructive non-indigenous species in North America, primarily because of their diet of aquatic vegetation. These species strip waters of oxygen-producing plants, thus increasing water temperatures and destroying habitat for native juvenile fish. In addition, the feeding habits of carp and goldfish stir up sediments, which decreases water clarity and inhibits plant growth
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I guess my question to the BS
people would be how long will they live in fresh water?