Entorno: milieu / zona climática / rango de profundidad / gama de distribución
Ecología
; agua dulce pelágico; potamodromo (Ref. 51243); rango de profundidad ? - 37 m (Ref. 5217). Tropical
South America: Amazon and Orinoco River basins and Atlantic coastal rivers of Guyana and Suriname (Ref. 36506). Reported from Paraná River (Ref. 56308).
Longitud en la primera madurez / Tamaño / Peso / Edad
Madurez: Lm 25.6  range ? - 30 cm
Max length : 57.5 cm TL macho / no sexado; (Ref. 5217); common length : 45.0 cm TL macho / no sexado; (Ref. 5217); peso máximo publicado: 1.3 kg (Ref. 5217)
Pelagic species which lives in schools near the surface of the water (Ref. 35381). Found over soft muddy bottoms. Has no teeth in its jaws but possesses many long gill rakers that are used as a sieve for feeding on planktonic crustaceans like cladocerans, copepods and ostracods (Ref. 35381, 6868). Also feeds on debris, other plankton (Ref. 35381). Appears to follow the plankton's vertical movements during the day. Ovaries start to develop I November when the water level rises. Fractional spawning occurs between February and April. The female lays down 50,000 to 100,000 eggs according to its weight. Juveniles inhabit the lower part of streams in estuaries, adult are found more upstream (Ref. 35381). Marketed fresh and salted.
Ciclo vital y comportamiento de apareamiento
Madurez | Reproducción | Puesta | Huevos | Fecundidad | Larva
Cervigón, F., R. Cipriani, W. Fischer, L. Garibaldi, M. Hendrickx, A.J. Lemus, R. Márquez, J.M. Poutiers, G. Robaina and B. Rodriguez, 1992. Fichas FAO de identificación de especies para los fines de la pesca. Guía de campo de las especies comerciales marinas y de aquas salobres de la costa septentrional de Sur América. FAO, Rome. 513 p. Preparado con el financiamento de la Comisión de Comunidades Europeas y de NORAD. (Ref. 5217)
Situación en la Lista Roja de la UICN (Ref. 130435: Version 2025-2 (Global))
Amenaza para el ser humano
Harmless
Usos humanos
Pesquerías: escaso valor comercial
Herramientas
Informes especiales
Descargar XML
Fuentes de Internet
Estimaciones basadas en modelos
Índice de diversidad filogenética (Referencia
82804): PD
50 = 0.5625 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00617 (0.00526 - 0.00723), b=3.11 (3.06 - 3.16), in cm total length, based on LWR estimates for this species (Ref.
93245).
Nivel trófico (Referencia
69278): 2.9 ±0.30 se; based on food items.
Resiliencia (Referencia
120179): Medio, población duplicada en un tiempo mínimo de 1.4-4.4 años (K=0.12-0.27).
Vulnerabilidad pesquera (Ref.
59153): Moderate vulnerability (37 of 100).
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Nutrientes (Ref.
124155): Calcium = 92 [44, 205] mg/100g; Iron = 1.76 [0.85, 3.58] mg/100g; Protein = 16.7 [15.3, 18.2] %; Omega3 = 0.283 [0.110, 0.710] g/100g; Selenium = 68.4 [26.6, 175.8] μg/100g; VitaminA = 46.7 [15.5, 145.8] μg/100g; Zinc = 1.66 [1.11, 2.49] mg/100g (wet weight); based on
nutrient studies.