African Brown Knifefish
Xenomystus nigri
- Least concern
- Card rarity: Common
- Fish

The African brown knifefish is the only species in the genus Xenomystus of the family Notopteridae. This fish is found in the Chad, Nile, Congo, Ogowe and Niger basins, as well as coastal river basins in Sierra Leone, Liberia, Togo, Benin and Cameroon.
Classification
- Class
- Actinopterygii
- Order
- Osteoglossiformes
- Family
- Notopteridae
- Genus
- Xenomystus