Horagai, with the scientific name Charonia tritonis, is a type of snall that belongs to the Cymatiidae family, formerly classified under Cymatiidae, Mesogastropoda.
ホラガイ（法螺貝、Charoniatritonis）は、フジツガイ科（旧分類中腹足目フジツガイ科）に属する巻貝の一種。