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Silver carp are a large a troublesome invasive species from Asia found in the great rivers of the central United States. Silver carp have been observed to jump in response to rocks thrown in the water, passing trains, geese taking off from the water, or just when they unexpectedly find themselves in a tight place. However, a speeding boat seems to especially frighten them and often dozens of the fish will be airborne at once, sometimes reaching heights of ten feet in the air.