Author: Zanata, Sarmento-Soares & Martins-Pinheiro, 2015
Comments: Occurs only in slow flowing river stretches, situated 8-91m above sea level, a few centimeters to 1.5 m deep, with transparent or dark water running in substrate composed of pebbles, gravel, or organic debris.  Found syntopic with <i>Aspidoras virgulatus Nijssen & Isbrucker, <i>Astyanax sp., <i>Geophagus brasiliensis (Quoy & Gaimard), <i>Hoplerythrinus uniaeniatus (Agassiz), <i>Hoplias malabaricus (Bloch), <i>Mimagoniates microlepis Steindachner, <i>M. sylvicola Menezes & Weitzman, <i>Scleromystax prionotos (Nijssen &
  Isbrucker), <i>Otothyris travassosi Britski & Schaefer, <i>Phalloceros ocellatus Lucinda, including the endangered species <i>Acentronichthys leptos Eigenmann & Eigenmann and <i>Rachoviscus graciliceps Weitzman & Cruz.  Food items in the stomach contents of four specimens ranging from 2.68-3.59 cm SL consisted of small aquatic insect larvae, mainly Chironomidae, nymphs, fragments of insects, vegetable debris and organic matter partially digested (Ref. 104900).