Ключевые слова: animal behavior, animals, aqua, aquatic creature, aquatic environment, aquatic life, aquatic plant, beautiful, beauty, beginner fish, blue water, colorful, exotic, fauna, fins, fish tank, freshwater, glossy, goldfish, graceful, marine, movement, nature, ocean, pet, pet care, scales, sea, shiny, swim, swim bladder, swimmer, underwater, underwater world, vibrant colors, water world, wildlife,