Polyplacapros tyleri, which belongs to the subfamily Aracaninae of the family Ostraciidae, is described as a new genus and species.The fish were taken off eastern Australia at a depth of 79-161 meters by a bottom trawler.The species can easily be distinguished from related forms by its fusiform body and long caudal peduncle, almost completely covered with bony plates.Polyplacapros is closely related to the genus Kentrocapros.
