Actinopteri (ray-finned fishes) > Siluriformes
(Catfishes) > Doradidae
(Thorny catfishes) > Doradinae
Etymology: Oxydoras: Greek, oxys = sharp + Greek, dora = skin (Ref. 45335).
More on author: Bleeker.
Environment: milieu / climate zone / depth range / distribution range
Freshwater; demersal. Tropical
South America: Paraná River basin.
Size / Weight / Age
Maturity: Lm ?  range ? - ? cm
Max length : 70.0 cm TL male/unsexed; (Ref. 37054); max. published weight: 9.0 kg (Ref. 6868)
Omnivorous, feeding mainly on insects, crustaceans, mollusks, other invertebrates and some vegetable material (Ref. 6868).
Life cycle and mating behavior
Maturity | Reproduction | Spawning | Eggs | Fecundity | Larvae
Burgess, W.E., 1989. An atlas of freshwater and marine catfishes. A preliminary survey of the Siluriformes. T.F.H. Publications, Inc., Neptune City, New Jersey (USA). 784 p. (Ref. 6868)
IUCN Red List Status (Ref. 125652)
Threat to humans
Common namesSynonymsMetabolismPredatorsEcotoxicologyReproductionMaturitySpawningSpawning aggregationFecundityEggsEgg development
ReferencesAquacultureAquaculture profileStrainsGeneticsAllele frequenciesHeritabilityDiseasesProcessingNutrientsMass conversion
Estimates based on models
Phylogenetic diversity index (Ref. 82805
= 0.6250 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.01413 (0.00607 - 0.03285), b=3.01 (2.80 - 3.22), in cm total length, based on LWR estimates for this Subfamily-BS (Ref. 93245
Trophic level (Ref. 69278
): 3.2 ±0.39 se; based on food items.
Generation time: 6.5 ( na - na) years. Estimated as median ln(3)/K based on 1 growth studies.
Resilience (Ref. 120179
): Medium, minimum population doubling time 1.4 - 4.4 years (K=0.17).
Fishing Vulnerability (Ref. 59153
): Moderate to high vulnerability (53 of 100) .
Climate Vulnerability (Ref. 125649
): (0 of 100) .
Nutrients (Ref. 124155
): Calcium = 103 [57, 173] mg/100g ; Iron = 1.15 [0.78, 1.73] mg/100g ; Protein = 17 [16, 18] % ; Omega3 = 0.275 [0.134, 0.560] g/100g ; Selenium = 80.8 [37.5, 188.8] μg/100g ; VitaminA = 22.8 [10.3, 55.0] μg/100g ; Zinc = 1.39 [1.00, 1.90] mg/100g (wet weight);