Ключевые слова: animal, animal wildlife, animals in captivity, aquarium, aquatic, aquatic mammal, background, barrel jellyfish, beauty in nature, blue, cnidarian, colors, danger, dark, deep, horizontal, jellyfish, life, living organism, medusa, nature, no people, ocean, poisonous, sea, sea life, swimming, tentacle, translucent, undersea, underwater, water, wildlife,