Actinopteri (ray-finned fishes) > Siluriformes
(Catfishes) > Pimelodidae
Etymology: Pinirampus: Latin, pinna = fin + perhaps Old German, rampf = hook.
More on authors: Spix & Agassiz.
Environment: milieu / climate zone / depth range / distribution range
Freshwater; demersal; pH range: 6.0 - 8.0; dH range: ? - 25; potamodromous (Ref. 51243). Tropical; 22°C - 28°C (Ref. 2059)
South America: Amazon, Essequibo, Orinoco, and Paraná basins.
Length at first maturity / Size / Weight / Age
Maturity: Lm ?, range 45 - ? cm
Max length : 120 cm TL male/unsexed; (Ref. 36506); max. published weight: 7.7 kg (Ref. 40637)
Occurs in schools. Feeds on benthic animals (Ref. 9084). Known from a temperatures ranging from 24-29 °C, pH range of 5-9, and an alkalinity range of 42-142 (Ref. 9110).
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; gamefish: yes; aquarium: public aquariums
Estimates based on models
Phylogenetic diversity index (Ref. 82805
= 1.0000 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00692 (0.00452 - 0.01059), b=3.13 (3.01 - 3.25), in cm total length, 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. 120179
): Low, minimum population doubling time 4.5 - 14 years (Preliminary K or Fecundity.).
Fishing Vulnerability (Ref. 59153
): High to very high vulnerability (72 of 100) .
Climate Vulnerability (Ref. 125649
): (0 of 100) .
Nutrients (Ref. 124155
): Calcium = 79.1 [38.7, 158.5] mg/100g ; Iron = 1.2 [0.7, 2.3] mg/100g ; Protein = 17.4 [15.5, 19.6] % ; Omega3 = 0.324 [0.150, 0.701] g/100g ; Selenium = 92.3 [37.3, 257.3] μg/100g ; VitaminA = 35 [12, 104] μg/100g ; Zinc = 0.901 [0.595, 1.332] mg/100g (wet weight); based on nutrient studies.