Author: Ortega-Lara & Lehmann A., 2006
Comments: Inhabits undisturbed clear and shallow rivers in strong current and on gravel to small stone substrates (riffles or runs).  Associated with <i>Gobiesox</i> sp., <i>Chaetostoma marginatum</i>, <i>Cordilancistrus daguae</i>, <i>Astroblepus trifasciatus</i>, <i>Trichomycterus taenia</i>; as well as shrimps (<i>Atya</i>).  Stomach contents of 5 specimens caught in the Aguaclara River, revealed immature aquatic insects belonging to Trichoptera, Diptera, Ephemeroptera and Odonata, and terrestrial insects of the orders Hymenoptera and Coleoptera (Ref. 57850).