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 author: Kner.
Environment: milieu / climate zone / depth range / distribution range
Freshwater; demersal; pH range: 6.0 - 8.0; dH range: 5 - 19; depth range - m (Ref. ), usually - m (Ref. ). Tropical; 23°C - 27°C (Ref. 1672)
South America: Middle and upper Amazon and Orinoco basins.
Size / Weight / Age
Maturity: Lm ?  range ? - ? cm
Max length : 50.0 cm TL male/unsexed; (Ref. 1672)
Nocturnal; feeds on algae (Ref. 13371).
Life cycle and mating behavior
Maturity | Reproduction | Spawning | Eggs | Fecundity | Larvae
Ferraris, C.J. Jr., 2007. Checklist of catfishes, recent and fossil (Osteichthyes: Siluriformes), and catalogue of siluriform primary types. Zootaxa 1418:1-628. (Ref. 58032)
IUCN Red List Status (Ref. 124695)
Threat to humans
Fisheries: of no interest; aquarium: commercial
Common namesSynonymsMetabolismPredatorsEcotoxicologyReproductionMaturitySpawningSpawning aggregationFecundityEggsEgg development
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=0.02455 (0.01037 - 0.05812), b=2.96 (2.78 - 3.14), in cm total length, based on LWR estimates for this Genus-body shape (Ref. 93245
Trophic level (Ref. 69278
): 2.0 ±0.00 se; based on food items.
Vulnerability (Ref. 59153
): Low to moderate vulnerability (26 of 100) .