Ключевые слова: animal, animals, aquarium, aquatic, beauty, behavior, betta, care, colorful, ecosystem, environment, fin, fins, fish, fishkeeping, flora, fresh, freshwater, habitat, hobbies, hobby, leisure, life, lover, maintenance, marine, movement, natural, nature, peaceful, pet, plants, relaxation, scene, serenes, species, swimming, tank, tranquil, tranquility, tropical, underwater, vibrant, water, waters, wildlife, world,