Ключевые слова: actinopterygians, actinopterygii, animal, aquarium, aquatic, beautiful, biodiversity, biology, chalceidae, chalceus, chalceus erythrurus, characiformes, colorful, conservation, cute, discovery, ecological, ecology, ecosystem, environment, erythrurus, fauna, fish, fresh, fresh water, freshwater, freshwater fish, global, life, lovely, natural, nature, portrait, protect, rayfinned, rayfinned fish, species, toucan, tucan fish, tucanfish, underwater, water, yellowfin, yellowfin chalceus, zoology,