Priocharax conwayi is a minute species of freshwater ray-finned fish belonging to the family Acestrorhamphidae, the American characins. This fish is found in Brazil.
This species reaches a length of .
The fish is named in honor of Kevin W. Conway of Texas A&M University, located in College Station, Texas, US.
This species inhabits black water systems, including shallow riverine and slow-flowing forest streams with dense aquatic vegetation.