Claim: Poropuntius deauratus is in the Cyprinidae (the family of saltwater fish), within the Cypriniformes order, under the Actinopterygii class.
Evidence: Poropuntius deauratus is a species of ray-finned fish in the genus Poropuntius which is found in coastal river drainages in central Vietnam: between the Thu Bon River in Quang Nam Province and the Quang Tri River in Quang Tri Province. Family: Cyprinidae Order: Cypriniformes Class: Actinopterygii