Classification / Names
Common names | Synonyms | Catalog of Fishes (gen., sp.) | ITIS | CoL | WoRMS | Cloffa
Actinopterygii (ray-finned fishes) > Siluriformes
(Catfish) > Doradidae
Etymology: Oxydoras: Greek, oxys = sharp + Greek, dora = skin (Ref. 45335).
Environment / Climate / Range
Freshwater; demersal; pH range: 6.0 - 7.8; dH range: ? - 25. Tropical; 21°C - 24°C (Ref. 2060)
Length at first maturity / Size / Weight / Age
Maturity: Lm 62.5  range ? - ? cm
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: 11.0 kg
South America: Amazon, São Francisco and Essequibo River basins. Possibly in the Orinoco River basin.
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.
Sabaj, M.H. and C.J. Ferraris Jr., 2003. Doradidae (Thorny catfishes). p. 456-469. In R.E. Reis, S.O. Kullander and C.J. Ferraris, Jr. (eds.) Checklist of the Freshwater Fishes of South and Central America. Porto Alegre: EDIPUCRS, Brasil.
IUCN Red List Status (Ref. 90363)
Threat to humans
Fisheries: minor commercial; aquarium: commercial
CollaboratorsPicturesStamps, CoinsSoundsCiguateraSpeedSwim. typeGill areaOtolithsBrainsVision
Estimates of some properties based on empirical models
Phylogenetic diversity index (Ref. 82805
= 0.6250 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00000 (0.00000 - 0.00000), b=0.00000 (0.00000 - 0.00000), based on (Ref. 93245
Trophic Level (Ref. 69278
): 2.8 ±0.29 se; Based on food items.
Resilience (Ref. 69278
): Low, minimum population doubling time 4.5 - 14 years (Preliminary K or Fecundity.).
Vulnerability (Ref. 59153
): High vulnerability (63 of 100) .