Alestopetersius tumbensis is a species of freshwater ray-finned fish belonging to the family Alestidae, the African tetras. It is found in the Malebo Pool, the Kwenge River of the Kwilu River drainage and Lake Tumba in the Democratic Republic of the Congo.

Description Alestopetersius tumbensis reaches a standard length of .

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.