Ключевые слова: abacaxis, actinopterygii, amazon, amazon basin, amazon river, amazonia, america, american, animal, animals, aquarium, brazil, cichlasomatinae, cichlidae, discus, discus fish, exotic, fauna, fish, fresh water, fresh water fish, freshwater, freshwater fish, heckel discus, heroini, lake, natural, nature, one, one animal, one fish, orange, orinoco, perciformes, pompadour fish, red discus, rio negro, river, south america, south american, swim, swimming, symphysodon, symphysodon discus, trombetas, tropical, tropical fish, underwater, water, wild, wild animal, wild life, wildlife,