The collection locality is around 1135 m above sea level and the rio dos Couros in that point has moderate riparian vegetation, typically between 10 and 15 m wide, and 1.5 m deep. Although with some rapids, the water is clear, the substrate composed of stones, rocks, and some stretches with mud. A natural 10 m high waterfall named Cachoeira São Bento is located downriver and all topotypes were collected on the stretch downstream from the waterfall in a small stream draining directly into the river (about 100 m from the channel river). This stream is about 0.8 m deep and 6 m wide, transparent water with moderate vegetation covering the channel (trees and shrubs), and bottom with small stones, submerged logs and roots. No other fish species was collected with this species in the stream. The rio dos Couros has several waterfalls, some with about 100 m height (Cachoeira de São Vicente and Catarata dos Couros). Stomach contents of five specimens with fragments of allochthonous insect, fish scales, and vegetal organic matter (leaf parts) and the stomachs were not full (Ref. 84461).
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