n = 4
| Scientific Name | Author | Valid Name | Family | English Name |
|---|---|---|---|---|
| Steatogenys cryptogenes | (Triques, 1997) | Stegostenopos cryptogenes | Hypopomidae | |
| Steatogenys duidae | (La Monte, 1929) | Steatogenys duidae | Hypopomidae | |
| Steatogenys elegans | (Steindachner, 1880) | Steatogenys elegans | Hypopomidae | Barred knifefish |
| Steatogenys ocellatus | Crampton, Thorsen & Albert, 2004 | Steatogenys ocellatus | Hypopomidae |