n = 6
| Scientific Name | Author | Valid Name | Family | English Name |
|---|---|---|---|---|
| Sternoptyx diaphana | Hermann, 1781 | Sternoptyx diaphana | Sternoptychidae | Diaphanous hatchet fish |
| Sternoptyx gardenii | Bloch & Schneider, 1801 | Peprilus paru | Stromateidae | American harvestfish |
| Sternoptyx obscura | Garman, 1899 | Sternoptyx obscura | Sternoptychidae | |
| Sternoptyx olfersii | Cuvier, 1829 | Argyropelecus olfersii | Sternoptychidae | |
| Sternoptyx pseudobscura | Baird, 1971 | Sternoptyx pseudobscura | Sternoptychidae | Highlight hatchetfish |
| Sternoptyx pseudodiaphana | Borodulina, 1977 | Sternoptyx pseudodiaphana | Sternoptychidae | False oblique hatchetfish |