Stingrays are a group of sea rays, a type of cartilaginous fish.
They are classified in the suborder Myliobatoidei of the order Myliobatiformes and consist of eight families: Hexatrygonidae, Plesiobatidae, Urolophidae, Urotrygonidae, Dasyatidae, Potamotrygonidae, Gymnuridae and Myliobatidae.