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• 
  Species:
  Hypostomus aspilogaster
  
  Caption: Caught in Rio Negro, Tacuarembo, Uruguay
• 
  Species:
  Megalechis picta
  
  Caption: Collected on the Rio Negro near Barcelos
• 
  Species:
  Ancistrus dolichopterus
  
  Caption: Habitat: Rio Negro, Brazil
• 
  Species:
  Anadoras grypus
  
  Caption: Rio Negro
• 
  Species:
  Pimelodus blochii
  
  Caption: Rio Negro Northwest of Manaus near Anavilhan Is.
• 
  Species:
  Dekeyseria scaphirhynchus
  
  Caption: Rio Negro, Brazil
• 
  Species:
  Dekeyseria scaphirhynchus
  
  Caption: Rio Negro, Brazil
• 
  Species:
  Hypostomus aspilogaster
  
  Caption: Stream to Rio Negro, Tacuarembo, Uruguay
• 
  Species:
  Centromochlus schultzi
  
  Caption: Upper Rio Negro, Brazil
• 
  Species:
  Tetranematichthys wallacei
  
  Caption: Upper Rio Negro, Brazil
• 
  Species:
  Trachelyichthys decaradiatus
  
  Caption: Upper Rio Negro, Brazil
• 
  Species:
  Gastrodermus pauciradiatus
  
  Caption: Upper Rio Negro, Brazil
• 
  Species:
  Anduzedoras oxyrhynchus
  
  Caption: Upper Rio Negro, Brazil
• 
  Species:
  Astrodoras asterifrons
  
  Caption: Upper Rio Negro, Brazil
• 
  Species:
  Astrodoras asterifrons
  
  Caption: Upper Rio Negro, Brazil
• 
  Species:
  Platydoras hancockii
  
  Caption: Upper Rio Negro, Brazil
• 
  Species:
  Ancistrus dolichopterus
  
  Caption: Upper Rio Negro, Brazil
• 
  Species:
  Ancistrus dolichopterus
  
  Caption: Upper Rio Negro, Brazil
• 
  Species:
  Dekeyseria scaphirhynchus
  
  Caption: Upper Rio Negro, Brazil
• 
  Species:
  Pimelodus blochii
  
  Caption: Upper Rio Negro, Brazil