n = 4
| Scientific Name | Author | Valid Name | Family | English Name |
|---|---|---|---|---|
| Leiarius arekaima | (Jardine, 1841) | Leiarius arekaima | Pimelodidae | |
| Leiarius longibarbis | (Castelnau, 1855) | Leiarius longibarbis | Pimelodidae | |
| Leiarius marmoratus | (Gill, 1870) | Leiarius marmoratus | Pimelodidae | |
| Leiarius pictus | (Müller & Troschel, 1849) | Leiarius pictus | Pimelodidae |