Ключевые слова: acipenseriformes, actinopterygii, america, american, american paddlefish, animal, animals, aquarium, fauna, fish, fishes, freshwater, freshwater fish, freshwater fishes, mississippi, missouri, mobile bay, natural, nature, north america, north american, paddlefish, paddlefishes, polyodon, polyodon spathula, polyodontidae, river, swim, swimming, underwater, united states, us, usa, water, wild, wild animal, wild life, wildlife, zoo,