Ключевые слова: animal, aquatic, arbacia, atlantic, black, canary, danger, dangerous, diversity, diving, echinodermata, echinoderms, euechinoidea, gran, grand, holiday, island, isles, life, lixula, marine, mediterranean, nature, ocean, pain, painful, prick, prickly, reef, scuba, sea, sealive, seaurchin, snorkeling, spain, spine, spined, spiny, thorny, travel, trip, undersea, underwater, urchin, vacation, water, wildlive,