Actinopteri (ray-finned fishes) > Siluriformes
(Catfishes) > Loricariidae
(Armored catfishes) > Hypostominae
Etymology: Pterygoplichthys: Greek, pterygion, diminutive of pteryx = wing, fin + Greek, hoplon = weapon + Greek, ichthys = fish (Ref. 45335). More on authors: Eigenmann & Kennedy.
Environment: milieu / climate zone / depth range / distribution range
Freshwater; demersal; pH range: 6.5 - 8.2; dH range: ? - 25; depth range - m (Ref. ), usually - m (Ref. ). Tropical; 21°C - 24°C (Ref. 2060)
South America: Paraguay, middle Paraná, Bermejo, and Uruguay River basins.
Length at first maturity / Size / Weight / Age
Maturity: Lm 24.3  range ? - ? cm
Max length : 54.9 cm TL male/unsexed; (Ref. 115169); 55.0 cm TL (female); max. published weight: 2.3 kg (Ref. 115169); max. published weight: 2.3 kg
A continuous non -obligatory air-breathing species (Ref. 118399).
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. 124695)
Threat to humans
Fisheries: of no interest; aquarium: commercial
ReferencesAquacultureAquaculture profileStrainsGeneticsAllele frequenciesHeritabilityDiseasesProcessingNutrientsMass conversion
Estimates based on models
Phylogenetic diversity index (Ref. 82805
= 0.5000 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.03162 (0.01960 - 0.05102), b=2.87 (2.74 - 3.00), in cm total length, based on LWR estimates for this species & Genus-body shape (Ref. 93245
Vulnerability (Ref. 59153
): Low to moderate vulnerability (27 of 100) .
Nutrients (Ref. 124155
): Calcium = 128 [67, 231] mg/100g ; Iron = 1.22 [0.79, 1.97] mg/100g ; Protein = 16.1 [15.1, 17.1] % ; Omega3 = 0.176 [0.084, 0.367] g/100g ; Selenium = 78.8 [36.8, 193.9] μg/100g ; VitaminA = 18.3 [7.3, 44.2] μg/100g ; Zinc = 1.78 [1.23, 2.56] mg/100g (wet weight);