n = 3
| Scientific Name | Author | Valid Name | Family | English Name |
|---|---|---|---|---|
| Koumansetta hectori | (Smith, 1957) | Koumansetta hectori | Gobiidae | Hector's goby |
| Koumansetta hoesei | Kovačić, Bogorodsky, Mal & Alpermann, 2018 | Koumansetta hoesei | Gobiidae | |
| Koumansetta rainfordi | Whitley, 1940 | Koumansetta rainfordi | Gobiidae | Old glory |