Phenacogrammus deheyni is a species of freshwater ray-finned fish belonging to the family Alestidae, the African tetras. It is found in the middle Congo River, the Ruki drainage, of the Mongala and Aruwimi rivers in the Democratic Republic of the Congo.

Description Phenacogrammus deheyni reaches a total length of .

Etymology The tetra is named in honor of diplomat/naturalist Jean Jacques Deheyn (b. 1914), of the Royal Museum of Central Africa, who collected the type specimen.

References

Paugy, D., 1984. Characidae. p. 140-183. In J. Daget, J.-P. Gosse and D.F.E. Thys van den Audenaerde (eds.) Check-list of the freshwater fishes of Africa (CLOFFA). ORSTOM, Paris and MRAC, Tervuren. Vol. 1.