| 附注 |
Occurs in a mid-small size river with width up to 8 m, in a moderate slope with clear and cold water, with transparency of about 2 m. The river is characterized by having mainly turbulent water flow , with alternating areas of currents and pools, though a predominance of moderate to strong drifts. The substrate is composed of rocks and sand. Collected together with Astyanax bimaculatus (Linnaeus), Callichthys callichthys (Linnaeus), Geophagus brasiliensis (Quoy & Gaimard), Rhamdia quelen (Quoy & Gaimard) and Poecilia reticulata Peters (Ref. 94155). |