Collected from mountainous rivers and streams generally 0.5-4 m wide and 0.2-1 m deep, with clear waters running over sandy and rock-pebble substrates, at elevations of about 500-2,500 m. Stomach contents include dipteran larvae (Chironomidae and Ceratopogonidae), coleopterans (Elmidae), and ostracod crustaceans (Ref. 43677).
- FernÃ¡ndez, L. and R.P. Vari 2002 New species of Trichomycterus from the Andes of Argentina with a redescription of Trichomycterus alterus (Siluriformes: Trichomycteridae). Copeia 2002(3):739-747. (Ref. 43677) http://www.fishbase.org/references/FBRefSummary.php?id=43677&speccode=48661
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