Ключевые слова: actinopterygians, actinopterygii, animal, aquarium, aquatic, beautiful, biodiversity, biology, brazil, brazilian, characiformes, colorful, conservation, cute, discovery, ecological, ecology, ecosystem, environment, fasciatus, fauna, fish, fresh, fresh water, freshwater, freshwater fish, global, life, lovely, metynnis, metynnis fasciatus, natural, nature, portrait, protect, rayfinned, rayfinned fish, serrasalmid, serrasalmidae, south america, south american, species, stripe, striped, striped metynnis, stripes, underwater, water, zoology,