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Siluriformes (Catfishes) >
Pimelodidae (Long-whiskered catfishes)
Etymology: Brachyplatystoma: Greek, brachys, eia = short + Greek, platys = flat + Greek, stoma = mouth (Ref. 45335).
Eponymy: Louis Rousseau (1811–1874) was a French malacologist, traveller, collector and a pioneer of zoological photography. [...] (Ref. 128868), visit book page.
More on author: Castelnau.
Taxonomic Remarks
Synonymy above based on personal observation and examination of types; see Zungaro zungaro for synonymy of Bagrus flavicans Castelnau.
Environment: milieu / climate zone / depth range / distribution range
Ecology
Freshwater; demersal. Tropical
South America: Amazon and Orinoco River basins and major rivers of French Guiana.
Length at first maturity / Size / Weight / Age
Maturity: Lm 73.0  range ? - ? cm
Max length : 192 cm TL male/unsexed; (Ref. 36506)
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. 130435: Version 2025-2 (Global))
Threat to humans
Harmless
Human uses
Gamefish: yes
Tools
Special reports
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Internet sources
Estimates based on models
Phylogenetic diversity index (Ref. 82804) |
PD50 = 0.5078 [Uniqueness, from 0.5 = low to 2.0 = high]. |
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Bayesian length-weight
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a=0.00741 (0.00429 - 0.01280), b=3.11 (2.96 - 3.26), in cm total length, based on LWR estimates for this species & (Sub)family-body (Ref. 93245). |
Trophic level (Ref. 69278) |
4.5 ±0.80 se; based on food items. |
Resilience (Ref. 120179) |
Low, minimum population doubling time 4.5 - 14 years (K=0.39-0.59; tm=2.2; tmax=15;). |
Fishing Vulnerability (Ref. 59153) |
Moderate vulnerability (45 of 100). 🛈 |
Nutrients (Ref. 124155) |
Calcium = 59.1 [23.4, 127.3] mg/100g; Iron = 1.35 [0.70, 2.69] mg/100g; Protein = 17.6 [16.3, 19.1] %; Omega3 = 0.234 [0.093, 0.570] g/100g; Selenium = 99.9 [40.4, 227.8] μg/100g; VitaminA = 18.6 [6.3, 56.4] μg/100g; Zinc = 0.833 [0.553, 1.242] mg/100g (wet weight); |