| African brown knifefish | |
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Scientific classification 
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| Domain: | Eukaryota |
| Kingdom: | Animalia |
| Phylum: | Chordata |
| Class: | Actinopterygii |
| Order: | Osteoglossiformes |
| Family: | Notopteridae |
| Subfamily: | Xenomystinae |
| Genus: | Xenomystus Günther, 1868 |
| Species: | X. nigri
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| Binomial name | |
| Xenomystus nigri (Günther, 1868)
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The African brown knifefish (Xenomystus nigri) 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.[1]