title: Genidens machadoi
text: # Genidens machadoi
  
  Genidens machadoi is a species of catfish in the family Ariidae. It was described by Alípio de Miranda-Ribeiro in 1918, originally under the genus Tachysurus. It inhabits rivers along the south Atlantic coast in Argentina,Uruguay and Brazil. It reaches a total length of 80 cm (31 in).
  
  