Ctenolucius is a genus of freshwater ray-finned fishes belonging to the family Ctenoluciidae, the pike-characins. The fishes in this family are found in the Neotropics, in Panama and northern South America.

Species Ctenolucius contains the following valid species: Ctenolucius beani (Fowler, 1907) Ctenolucius hujeta (Valenciennes, 1850) (gar characin)

References