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DSCN6772 (6260750690).jpg
Oxydoras niger
Scientific classification e
Kingdom: Animalia
Phylum: Chordata
Class: Actinopterygii
Order: Siluriformes
Family: Doradidae
Subfamily: Doradinae
Genus: Oxydoras
Kner, 1855
Type species
Oxydoras kneri
Bleeker, 1863
  • Pseudodoras
    Bleeker, 1858
  • Hildadoras
    Fernández-Yépez, 1968

Oxydoras is a genus of thorny catfishes native to tropical South America.


There are currently three recognized species in this genus:[1]


Oxydoras species are relatively large, reaching between 70–100 centimetres (28–40 in) in length. O. kneri has a maximum published weight of 9 kilograms (20 lb). O. niger gets even heavier, with a maximum published weight of 13 kilograms (29 lb).[1]


  1. ^ a b Froese, Rainer and Pauly, Daniel, eds. (2011). Species of Oxydoras in FishBase. December 2011 version.