the upper rio Paraná basin in central Brazil. The rio Quente is a peculiar small and shallow
fast water stream with water temperatures around 34ºC. The new species is distinguished
from all congeners by having the five lateral series of plates with hypertrophied odontodes
not aligned in rows and more conspicuous on flanks of caudal peduncle of the larger
specimens. The new species is only known from the rio Quente.