Ключевые слова: algae, aquarium, aquatic, balance, biodiversity, biotopes, care, clarity, clear, colorful, crystal, diversity, ecological, ecosystem, environment, exploration, fauna, fish, flora, fresh, freshwater, greenery, habitat, health, healthy, life, light, marine, movements, natural, nature, ocean, ornamental, peaceful, pet, plants, schooling, serenity, setting, species, sunlight, swimming, tranquility, underwater, vivid, water, wildlife, world,