invasive fish

The US offers a reward to anglers who catch invasive silver carp
Tennessee state authorities are willing to pay $100 per tagged carp to the person who catches them to reduce the number of white carp in the wild.
America's 'monster fish': Weighs up to 56kg, is more than 1 meter long, eats all of its own species, making the authorities worried
US authorities are having a headache because of the invasion of this fish.
6 dangerous animals threaten America
Many animals, such as assassins, snakes and snakes, poisonous skin cane toads, ... threaten people and wildlife in the United States.