Metaloricaria paucidens is a species of armored catfish native to French Guiana and Suriname, where it is found in the Oyapock, Sinnamary, and Marowijne River basins. This species grows to a length of SL. References Harttiini Taxa named by Isaäc J. H. Isbrücker Fish described in 1976 Fish of French Guiana Fish of Suriname