The short-tail stingray or smooth stingray (Dasyatis brevicaudata) is a common species of stingray in the family Dasyatidae. It occurs off southern Africa and off southern Australia and New Zealand. It is mostly bottom-dwelling in nature and can be found across a range of habitats from estuaries to reefs, but also frequently swims into open water. The largest stingray in the world, this heavy-bodied species grows upwards of 2.1 m across and 350 kg in weight.