Classification / Names
Common names | Synonyms | Catalog of Fishes (gen., sp.) | ITIS | CoL | WoRMS | Cloffa
Actinopterygii (ray-finned fishes) > Siluriformes
(Catfish) > Pimelodidae
Etymology: Pseudoplatystoma: Greek, pseudes = false + Greek, platys = flat + Greek, stoma = mouth (Ref. 45335).
Environment / Climate / Range
Freshwater; demersal; potamodromous (Ref. 51687). Subtropical
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)
South America: São Francisco and Paraná River basins.
Feeds mainly on fishes (Ref. 26762). Utilized for human consumption (Ref. 4537).
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.
IUCN Red List Status (Ref. 90363)
Threat to humans
Fisheries: commercial; aquaculture: commercial; gamefish: yes
CollaboratorsPicturesStamps, CoinsSoundsCiguateraSpeedSwim. typeGill areaOtolithsBrainsVision
Estimates of some properties based on empirical models
Phylogenetic diversity index (Ref. 82805
= 0.5078 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00646 (0.00384 - 0.01086), b=3.11 (2.96 - 3.26), based on LWR estimates for species & Subfamily-BS (Ref. 93245
Trophic Level (Ref. 69278
): 4.5 ±0.80 se; Based on food items.
Resilience (Ref. 69278
): Low, minimum population doubling time 4.5 - 14 years (K=0.11).
Vulnerability (Ref. 59153
): High to very high vulnerability (75 of 100) .