n = 25
| Scientific Name | Author | Valid Name | Family | English Name |
|---|---|---|---|---|
| Sternarchus albifrons | (Linnaeus, 1766) | Apteronotus albifrons | Apteronotidae | Black ghost |
| Sternarchus balaenops | Cope, 1878 | Adontosternarchus balaenops | Apteronotidae | |
| Sternarchus bonapartii | Castelnau, 1855 | Apteronotus bonapartii | Apteronotidae | |
| Sternarchus brasiliensis | Reinhardt, 1852 | Apteronotus brasiliensis | Apteronotidae | |
| Sternarchus capanemae | Steindachner, 1868 | Sternarchella schotti | Apteronotidae | |
| Sternarchus curvirostris | Boulenger, 1887 | Sternarchorhynchus curvirostris | Apteronotidae | |
| Sternarchus hasemani | Ellis, 1913 | Parapteronotus hasemani | Apteronotidae | |
| Sternarchus jurubidae | Fowler, 1944 | Apteronotus jurubidae | Apteronotidae | |
| Sternarchus lacepedii | Castelnau, 1855 | Apteronotus albifrons | Apteronotidae | Black ghost |
| Sternarchus leptorhynchus | Ellis, 1912 | Apteronotus leptorhynchus | Apteronotidae | |
| Sternarchus macrolepis | Steindachner, 1881 | Apteronotus macrolepis | Apteronotidae | |
| Sternarchus macrostoma | Günther, 1870 | Platyurosternarchus macrostoma | Apteronotidae | |
| Sternarchus macrostomus | Fowler, 1943 | Apteronotus macrostomus | Apteronotidae | |
| Sternarchus mariae | Eigenmann & Fisher, 1914 | Apteronotus mariae | Apteronotidae | |
| Sternarchus maximilliani | Castelnau, 1855 | Apteronotus albifrons | Apteronotidae | Black ghost |
| Sternarchus mormyrus | Steindachner, 1868 | Sternarchorhynchus mormyrus | Apteronotidae | Mormyrus tube-snouted ghost knifefish |
| Sternarchus muelleri | Steindachner, 1881 | Sternarchorhamphus muelleri | Apteronotidae | |
| Sternarchus nattereri | Steindachner, 1868 | Sternarchogiton nattereri | Apteronotidae | |
| Sternarchus oxyrhynchus | Müller & Troschel, 1849 | Sternarchorhynchus oxyrhynchus | Apteronotidae | Oxyrhynchus tube-snouted ghost knifefish |
| Sternarchus paranaensis | Schindler, 1940 | Genus Species | New species | |
| Sternarchus rostratus | Meek & Hildebrand, 1913 | Apteronotus rostratus | Apteronotidae | |
| Sternarchus sachsi | Peters, 1877 | Adontosternarchus sachsi | Apteronotidae | |
| Sternarchus schotti | Steindachner, 1868 | Sternarchella schotti | Apteronotidae | |
| Sternarchus spurrellii | Regan, 1914 | Apteronotus spurrellii | Apteronotidae | |
| Sternarchus tamandua | Boulenger, 1898 | Orthosternarchus tamandua | Apteronotidae |