Author: Rodriguez, Ortega & Covain, 2011
Comments: A rheophilic species that has been collected in swift current, over rocky substrata of stones, shingle, gravel and sand of the  main stream of Río Huallaga and its tributaries. The type localities are located at
  600 to 700 m above sea level, between the eastern slopes of the Andean Cordillera
  and the western slopes of the Cordillera Azul.  In this region, the Río Huallaga is
  shallow ((30-250 cm) during the dry season, but may rise to 4 m after heavy rains or during the rainy season. Huallaga River is a white water river ranging from 50-90 m width in the main channel during low water level and with dense vegetation growing along its banks. The pH, at various sites along the river where type specimens were collected, ranged from 7.3-7.6 with  conductivity from 250-432 μS cm−1. The Río Monzón, next to the bridge located 7 km upstream of Tingo Maria (MUSM 38338 and MHNG 2710.048 were collected), is a
  clear water river with 50 cm of visibility and with sandy areas and pebbles along
  the shore.  Rheophilic fauna collected together with some of the specimen were <i>Chaetostoma</i>, <i>Hypostomus</i>, <i>Lamontichthys</i>, <i>Spatuloricaria</i>, <i>Ancistrus</i>, <i>Farlowella</i>, <i>Pimelodella</i>, <i>Centromochlus</i>, <i>Parodon</i>, <i>Hemibrycon</i>, <i>Knodus</i> and <i>Eigenmannia</i> (Ref. 87853).