noun🔗ShareナンヨウハギAny of many species of reef-dwelling fishes, most of them brightly coloured, of the family Acanthuridae. They are named "surgeonfish" because they bear erectile, scalpel-like, dangerously sharp spines on either side of the caudal peduncle."While snorkeling on the coral reef, we spotted a vibrant blue surgeonfish, easily identifiable by the sharp, scalpel-like spines near its tail. "サンゴ礁でシュノーケリングをしていたところ、尾びれの近くにある鋭い、メスのようなトゲで容易に識別できる鮮やかな青色のナンヨウハギを見つけました。fishanimalbiologyoceannatureChat with AIVocabulary GamePractice Reading