Contusus brevicaudus,[1] known as the prickly toadfish[2] (a name also used for the closely related species C. richei), is a species of pufferfish in the family Tetraodontidae. It is known only from Australia, ranging from Western Australia to New South Wales, including Tasmania. It is a nocturnal species that inhabits estuaries and marine waters and is usually seen at depths of less than 20 m (66 ft). It reaches 25 cm (9.8 inches) in total length.[3]