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