Ключевые слова: animal, animals, aqua, aquarium, aquatic, arapaima, arapaima gigas, arowana, background, blue, bottom, brazilian arapaima, chordates actinopterygii, clear, closeup, color, colorful, coral, deep, dive, environment, eukaryotes, exotic, fish, fishes, life, light, marine, natural, nature, nobody, ocean, osteoglossiformes, pirarucu, predator, puraruku, reef, scuba, sea, shoal, swimming, tropical, under, undersea, underwater, underwater background, water, wild, wildlife,