Ключевые слова: amazon, america, american, animal, aquarium, big, black, bolivia, brazil, cat, catfish, colombia, cuiu, ecuador, fish, francisco, fresh, freshwater, lake, large, life, mother, natural, nature, niger, orinoco, oxydoras, peru, plated, pseudodoras, ripsaw, river, south, swim, swimming, talking, tropical, underwater, water, wild, wildlife,