Ключевые слова: animal, aquarium, aquatic, biodiversity, biology, cha utsun, chagoi, creatures, deep, depth, display, diversity, doitsu aka muji, ecology, environment, environmental, exploration, fauna, fish, fishes, goshiki, hishowa, kage shiro utsuri, kanoko kohaku, koi, leisure, life, liquid, marine, motion, natural, nature, ocean, ochiba shigure, ochiba utsuri, peaceful, scene, scenic, sea, serenity, sora goi, species, swimming, tank, underwater, view, water, wildlife,