Ключевые слова: animal, aquatic, aquatic life, beauty, beauty in nature, biodiversity, conservation, depth, ecology, ecosystem, environment, fauna, fins, fish, freshwater, habitat, ichthyology, limnology, majestic, marine, marine biology, natural, nature, outdoor, peaceful, pebbles, reflections, river, river life, salmon, scales, scenic, serene, stones, stream, submerged, sunlight, sunlit, survival, swimming, tranquility, underwater, underwater scene, vibrant, water, wild, wilderness, wildlife, zoology,