Ключевые слова: animal, aquarium, aquatic, background, battle, bell, black, blue, complication, couple, creature, dark, deep, depth, exotic, floating, invertebrate, isolated, jelly, jellyfish, life, marine, medusa, natural, nature, ocean, oceanography, one, pair, phosphorescence, sea, shiny, sparkle, swim, transparent, tropic, tropical, underwater, water, wild, wildlife,