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Siluriformes (Catfishes) >
Ariidae (Sea catfishes) > Bagreinae
Etymology: Bagre: Mozarabic, bagre, taken from Greek, pagros = a fish (Dentex sp.) (Ref. 45335).
More on author: Linnaeus.
Environment: milieu / climate zone / depth range / distribution range
Ecologie
marien; brak water demersaal; diepte ? - 50 m (Ref. 5217). Tropical; 12°N - 21°S, 77°W - 34°W
South America: Colombia to the mouth of the Amazon River.
Grootte / Gewicht / Leeftijd
Maturity: Lm ? range ? - ? cm
Max length : 55.0 cm TL mannelijk / geslacht onbekend; (Ref. 5217); common length : 40.0 cm TL mannelijk / geslacht onbekend; (Ref. 3265); max. gepubliceerd gewicht: 975.00 g (Ref. 125970)
Two pairs of barbels on rostral region, one pair on lower jaw, one pair on posterior end of maxilla; end of maxilla barbel beyond anal fin origin; pectoral spine filament long, reaching anal fin origin; dorsal, pectoral, and pelvic fin membranes black; anal fin membrane black distally (some individuals white), white proximally; body silver gray or blue gray dorsally, silver white ventrally (Ref. 13608).
Chiefly marine, common around river mouths and also entering river estuaries. Feeds on small fishes and invertebrates, such as crustaceans. Marketed fresh.
Levenscyclus en paargedrag
Maturiteit | Voortplanting | Paaien | Eieren | Fecunditeit | Larven
Taylor, W.R. and N.A. Menezes, 1978. Ariidae. In W. Fischer (ed.) FAO species identification sheets for fishery purposes. West Atlantic (Fishing Area 31). volume 1. [pag. var.]. FAO, Rome. (Ref. 3265)
Status op de Rode Lijst van het IUCN (Ref. 130435)
Gevaar voor de mens
Traumatogenic (Ref. 36613)
Gebruik door de mens
Visserij: commercieel
Meer informatie
ReferentiesAquacultuurAquacultuurprofielKweeklijnenGeneticaElectrophoresesErfelijkheidZiektesVerwerkingNutrientsMassaconversie
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Estimates based on models
Preferred temperature (Ref.
123201): 26.9 - 28.2, mean 27.5 °C (based on 116 cells).
Fylogenetische diversiteitsindex (Ref.
82804): PD
50 = 0.5625 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00468 (0.00354 - 0.00619), b=3.08 (3.00 - 3.16), in cm total length, based on LWR estimates for this species (Ref.
93245).
Trofisch niveau (Ref.
69278): 4.0 ±0.66 se; based on food items.
Generation time: 6.9 ( na - na) years. Estimated as median ln(3)/K based on 1
growth studies.
Weerstandsvermogen (Ref.
120179): laag, minimale populatieverdubbelingstijd 4,5-14 jaar (Preliminary K or Fecundity.).
Prior r = 0.57, 95% CL = 0.37 - 0.85, Based on 4 stock assessments.
Fishing Vulnerability (Ref.
59153): Moderate vulnerability (42 of 100).
Nutrients (Ref.
124155): Calcium = 106 [57, 219] mg/100g; Iron = 0.914 [0.586, 1.493] mg/100g; Protein = 17 [15, 19] %; Omega3 = 0.175 [0.100, 0.301] g/100g; Selenium = 57.3 [30.7, 116.6] μg/100g; VitaminA = 21.3 [9.5, 48.1] μg/100g; Zinc = 1.21 [0.83, 1.82] mg/100g (wet weight);
