Classification / Names
Common names | Synonyms | Catalog of Fishes (gen., sp.) | ITIS | CoL | WoRMS | Cloffa
Actinopterygii (ray-finned fishes) > Siluriformes
(Catfish) > 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. 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. 120744)
CITES (Ref. 118484)
Threat to humans
Fisheries: of no interest; aquarium: commercial
ReferencesAquacultureAquaculture profileStrainsGeneticsAllele frequenciesHeritabilityDiseasesProcessingMass 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=0.03631 (0.02250 - 0.05858), b=2.82 (2.69 - 2.95), 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) .