Animalia > Chordata > Actinopterygii > Siluriformes > Doradidae > Oxydoras > Oxydoras niger

Oxydoras niger (Ripsaw catfish; Black shielded catfish; Black doras; Bagre sierra)

Synonyms: Doras niger; Pseudodoras niger; Rhinodoras niger; Rhinodoras prianomus; Rhinodoras teffeanus
Language: Finnish; German; Mandarin Chinese; Other; Spanish

Wikipedia Abstract

The ripsaw catfish (Oxydoras niger) or cuiu cuiu is a species of thorny catfish native to the Amazon, Essequibo and São Francisco basins in Bolivia, Brazil, Colombia, Ecuador, Guyana, Peru and Venezuela. This species grows to a length of 100 centimetres (39 in) SL and weights up to 13 kilograms (29 lb). This species is a minor component of local commercial fisheries. Has lateral thorns that can damage a potential predator or handler.
View Wikipedia Record: Oxydoras niger


Diet [1]  Omnivore
Nocturnal [1]  Yes
Water Biome [1]  Benthic, Rivers and Streams

Protected Areas

Name IUCN Category Area acres Location Species Website Climate Land Use
Estacion Biologica Beni Biosphere Reserve VI 335178 Bolivia  
Mamirauá Sustainable Development Reserve State Sustainable Development Reserve VI 3260792 Amazonas, Brazil  
Otishi National Park 760925 Peru  


Parasitized by 
Bacudacnitis grandistomis <Unverified Name>[2]
Cosmetocleithrum confusus <Unverified Name>[2]
Cosmetocleithrum gussevi <Unverified Name>[2]
Cosmetocleithrum parvum <Unverified Name>[2]
Cosmetocleithrum rarum <Unverified Name>[2]
Cosmetocleithrum sobrinus <Unverified Name>[2]
Cucullanus grandistomis <Unverified Name>[2]
Paracavisoma impudica[2]
Proteocephalus kuyukuyu <Unverified Name>[2]

Institutions (Zoos, etc.)

Institution Infraspecies / Breed 
Artis Zoo
Bristol Zoo Gardens
El Paso Zoo
Fort Worth Zoological Park
Houston Zoo, Inc.
Marwell Wildlife
Milwaukee County Zoological Gardens
Nashville Zoo at Grassmere
National Aquarium in Baltimore Inc
Omaha's Henry Doorly Zoo
Parc Merveilleux
Phoenix Zoo
Pittsburgh Zoo & PPG Aquarium
Riverbanks Zoo and Garden
San Antonio Zoological Gardens & Aquar
Sedgwick County Zoo
Smithsonian National Zoological Park
St. Paul's Como Zoo
Toledo Zoological Gardens
Tulsa Zoo & Living Museum
Zoological Society of London


Amazon; America, South - Inland waters; Bolivia; Brazil; Colombia; Ecuador; Guyana; Neotropical; Peru; South America: Amazon, São Francisco and Essequibo River basins. Possibly in the Orinoco River basin.; São Francisco; Venezuela;



Attributes / relations provided by
1Myers, P., R. Espinosa, C. S. Parr, T. Jones, G. S. Hammond, and T. A. Dewey. 2006. The Animal Diversity Web (online). Accessed February 01, 2010 at
2Gibson, D. I., Bray, R. A., & Harris, E. A. (Compilers) (2005). Host-Parasite Database of the Natural History Museum, London
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Abstract provided by DBpedia licensed under a Creative Commons License
Weather provided by NOAA METAR Data Access