サンドタイガーシャークMeanings1nounsand tiger shark; gray nurse sharkRefers specifically to the species Carcharias taurus. Also known as しろわに (白鰐) in Japanese.See also: 白鰐 (しろわに)サンドタイガーシャークは、水すい族ぞく館かんでよく見みられるサメの一いっ種しゅです。The sand tiger shark is a type of shark often seen in aquariums.