Ключевые слова: actinopterygii, amazon, amazon river, america, american, animal, animals, aquarium, brazil, cichlidae, colombia, demon fish, demonfish, earth eater, eartheater, fauna, fish, fresh water, fresh water fish, freshwater, freshwater fish, geophaginae, lake, natural, nature, negro river, one, one animal, orinoco, perciformes, rio negro, river, satanoperca, satanoperca daemon, south america, south american, spotted demonfish, swim, swimming, threespot eartheater, tropic, tropical, underwater, venezuela, water, wild, wild animal, wild life, wildlife, zoo,