Oxydoras niger (Valenciennes, 1821)

Ripsaw catfish

Catalog of Fishes (gen., sp.) | ITIS | CoL

Classification	Actinopterygii \| Siluriformes \| Doradidae
Synonyms	Doras niger, Pseudodoras niger, Rhinodoras niger, ... more
Common names	Turushuqui, Bagre hueso, 黑体尖陶乐鲶, ... more

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Image of Oxydoras niger (Ripsaw catfish)

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Main reference

Sabaj, M.H. and C.J. Ferraris, Jr. 2003. (Ref. 37054)
Other references | Biblio | Coordinator : Ferraris, Jr., Carl J. | Collaborators

Size / Weight / Age

Max length : 100.0 cm SL male/unsexed; (Ref. 37054); common length : 59.0 cm SL male/unsexed; (Ref. 9081); max. published weight: 11.0 kg (Ref. 40637); max. published weight: 13 kg

Environment

Demersal; freshwater; pH range: 6.0 - 7.8; dH range: ? - 25

Climate / Range

Tropical; 21°C - 24°C (Ref. 2060)

South America: Amazon, São Francisco and Essequibo River basins. Possibly in the Orinoco River basin.
Countries | FAO areas | Ecosystems | Occurrences | Introductions

Occurs over mud in streams and lakes. Forms schools (Ref. 9084). Feeds on detritus, chironomid and ephemeropteran larvae, and crustaceans (Ref. 9096). Known from temperatures ranging from 24-29.8 °C, pH range of 5-9, and an alkalinity range of 42-142.


IUCN Red List Status (Ref. 57073)	Threat to humans
Not Evaluated	Harmless

Human uses
Fisheries: minor commercial; aquarium: commercial


More information
Countries FAO areas Ecosystems Occurrences Introductions Ecology Diet Food items Food consumption Ration	Common names Synonyms Metabolism Predators Ecotoxicology Reproduction Maturity Spawning Eggs Egg development	Age/Size Growth Length-weight Length-length Length-frequencies Morphometrics Morphology Larvae Larval dynamics Recruitment	Other references Biblio Aquaculture Aquaculture profile Strains Genetics Allele frequencies Heritability Diseases Processing	Collaborators Pictures Stamps Sounds Ciguatera Speed Swim. type Gill area Otoliths Brains Vision

Tools
Biogeographic modelling \| Bio-Quiz \| E-book \| Field guide \| Length-frequency wizard \| Life-history tool \| Point map

Special reports
Check for Aquarium maintenance \| Check for Species Fact Sheets \| Check for Aquaculture Fact Sheets

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Summary page \| Point data \| Common names \| Photos

Internet sources

Estimation of some characteristics with mathematical models

Resilience (Ref. 69278)

Low, minimum population doubling time 4.5 - 14 years (Preliminary K or Fecundity.)


Vulnerability (Ref. 59153)	Price category (Ref. 80766)
High vulnerability (63 of 100)	Not marketed/unknown

Entered by Luna, Susan M.

Modified by Pablico, Grace Tolentino

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Page last modified by : elaxamana, 15 July 2009

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