Environment: milieu / climate zone / depth range / distribution range
Ecologie
marien demersaal; diepte 35 - 200 m (Ref. 4253). Subtropical; 10°S - 36°S, 9°E - 43°E
Western Indian Ocean: Mozambique (Ref. 5213) around the Cape to St. Helena Bay, South Africa.
Grootte / Gewicht / Leeftijd
Maturity: Lm ?  range ? - ? cm
Max length : 90.0 cm TL mannelijk / geslacht onbekend; (Ref. 4253)
Dorsale stekels (totaal) : 9 - 10; Dorsale zachte stralen (totaal) : 22 - 24; Anale stekels: 4; Anale zachte stralen: 20 - 22. Silvery grey in color; indistinct dusky spot on or above LL and below front of soft dorsal (Ref. 4253). Gill rakers rudimentary.
Found near the bottom or in midwater. Feeds on a variety of fishes, cephalopods and crustaceans. An excellent foodfish. Sold fresh or frozen in markets.
Levenscyclus en paargedrag
Maturities | Voortplanting | Spawnings | Egg(s) | Fecundities | Larven
Heemstra, P.C., 1984. Zeidae. In W. Fischer and G. Bianchi (eds.) FAO species identification sheets for fishery purposes. Western Indian Ocean fishing area 51. Vol. 5. FAO, Rome. [var. pag.]. (Ref. 3543)
Status op de Rode Lijst van het IUCN (Ref. 130435)
Gevaar voor de mens
Harmless
Gebruik door de mens
Visserij: commercieel
Tools
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Estimates based on models
Preferred temperature (Ref.
123201): 11.9 - 19.1, mean 14.4 °C (based on 34 cells).
Fylogenetische diversiteitsindex (Ref.
82804): PD
50 = 0.7656 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.01738 (0.00757 - 0.03987), b=2.96 (2.77 - 3.15), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref.
93245).
Trofisch niveau (Ref.
69278): 4.5 ±0.8 se; based on size and trophs of closest relatives
Weerstandsvermogen (Ref.
120179): laag, minimale populatieverdubbelingstijd 4,5-14 jaar (Preliminary K or Fecundity.).
Fishing Vulnerability (Ref.
59153): High vulnerability (56 of 100).
Nutrients (Ref.
124155): Calcium = 39.7 [20.9, 80.5] mg/100g; Iron = 0.878 [0.472, 1.705] mg/100g; Protein = 19.9 [16.7, 22.4] %; Omega3 = 0.328 [0.180, 0.627] g/100g; Selenium = 37.1 [15.1, 91.5] μg/100g; VitaminA = 11.9 [2.9, 50.5] μg/100g; Zinc = 0.424 [0.287, 0.644] mg/100g (wet weight);