Ключевые слова: animal, aquarium, background, beach, calcium, carbonate, clam, close, closeup, conch, creature, crustacean, design, food, garden, hide, island, isolated, life, marine, mollusca, mollusk, movement, nature, nautilus, object, ocean, one, organism, prehistoric, primitive, scuba, sea, shape, shelter, slow, slowness, snail, snorkeling, spiral, tropical, white,