Actinopteri (ray-finned fishes) > Siluriformes
(Catfishes) > Pimelodidae
Etymology: Pseudoplatystoma: Greek, pseudes = false + Greek, platys = flat + Greek, stoma = mouth (Ref. 45335).
More on authors: Spix & Agassiz.
Environment: milieu / climate zone / depth range / distribution range
Freshwater; demersal; potamodromous (Ref. 51687). Subtropical
South America: São Francisco and Paraná River basins.
Length at first maturity / Size / Weight / Age
Maturity: Lm 65.2  range ? - ? cm
Max length : 166 cm TL male/unsexed; (Ref. 40637); max. published weight: 100.0 kg (Ref. 26762)
Feeds mainly on fishes (Ref. 26762). Utilized for human consumption (Ref. 4537).
Life cycle and mating behavior
Maturity | Reproduction | Spawning | Eggs | Fecundity | Larvae
Lundberg, J.G. and M.W. Littmann, 2003. Pimelodidae (Long-whiskered catfishes). p. 432-446. 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. (Ref. 36506)
IUCN Red List Status (Ref. 125652)
Threat to humans
Fisheries: commercial; aquaculture: commercial; gamefish: yes
Estimates based on models
Phylogenetic diversity index (Ref. 82805
= 0.5039 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00759 (0.00608 - 0.00946), b=3.09 (3.03 - 3.15), in cm total length, based on LWR estimates for this species (Ref. 93245
Trophic level (Ref. 69278
): 4.5 ±0.80 se; based on food items.
Generation time: 10.0 ( na - na) years. Estimated as median ln(3)/K based on 1 growth studies.
Resilience (Ref. 120179
): Low, minimum population doubling time 4.5 - 14 years (K=0.11; Fec=63,853).
Fishing Vulnerability (Ref. 59153
): High to very high vulnerability (75 of 100) .
Climate Vulnerability (Ref. 125649
): (0 of 100) .
Nutrients (Ref. 124155
): Calcium = 18.8 [5.9, 83.4] mg/100g ; Iron = 2.36 [0.83, 6.89] mg/100g ; Protein = 20.3 [18.5, 21.8] % ; Omega3 = 0.455 [0.207, 1.021] g/100g ; Selenium = 44.7 [17.3, 120.3] μg/100g ; VitaminA = 25.7 [7.8, 85.4] μg/100g ; Zinc = 0.64 [0.42, 0.99] mg/100g (wet weight);