Author: Jerep & Malabarba, 2014
Comments: The type locality, the rio Ceará-Mirim, is characterized by clear and transparent water, sandy
  bottom high depth 1.2 m, slow to moderate water current and dense floating and submerse vegetation.  Sympatric and synotopic with <i>Compsura heterura, <i>Serrapinnus heterodon and <i>S. piaba in the type locality.  Feeds mainly on vegetal matter and algae, but also takes insects and microcrustaceans (Ref. 96867).