Author: Britzke, Oliveira & Kullander, 2014
Comments: Occurs along the margin of a small stream tributary to the Ampyiacu River in the municipality of Pebas.  The stream is characterized by clear and acid water with pH 6.0, water temperature 26°C, depth of at most 50 cm and bottom substrate mainly composed of sand and leaves, with some clay.  Collected together with <i>Apistogramma  bitaeniata, <i>Bujurquina peregrinabunda, <i>Crenicichla sp., <i>Cichlasoma amazonarum, <i>Acestrocephalus sp., <i>Astyanax bimaculatus, <i>Characidium sp., <i>Knodus sp., <i>Leporinus sp. aff. friderici, <i>Moenkhausia margitae, <i>Moenkhausia oligolepsis, <i>Pyrrhulina semifasciata, <i>Corydoras fowleri, <i>Ituglanis sp., <i>Rhamdia sp., <i>Gymnotus sp., and <i>Sternopygus macrurus (Ref. 97388).