| Nombre científico | País | Localidad | Date taken | Imágen |
|---|---|---|---|---|
| Batrachoides gilberti | Bagil_u1.gif | |||
| Leporellus pictus | Bolivia | Pilcomayo River, Villamontes | Lepic_u1.jpg | |
| Pimelodus argenteus | Bolivia | Pilcomayo River | Piarg_u0.jpg | |
| Pyxiloricaria menezesi | Bolivia | Pilcomayo River | Pymen_u1.jpg | |
| Pyxiloricaria menezesi | Bolivia | Pilcomayo River | Pymen_u0.jpg | |
| Rhamdella aymarae | Bolivia | Pilcomayo River, Villamontes | Rhaym_u0.jpg | |
| Rhinodoras dorbignyi | Bolivia | Pilcomayo River | Rhdor_u1.jpg |