Ключевые слова: animal, aquatic, asia, attack, bali, beach, biology, coast, coastline, creature, danger, defense, echinoderm, fauna, healthy, island, leg, life, marine, natural, nature, ocean, poison, saltwater, sand, sea, sea urchin, seashell, seaside, sharp, shell, shore, shoreline, tropics, urchin, urchins, vacation, water, wet, wild, wildlife,