Environnement : milieu / zone climatique / profondeur / gamme de distribution
Écologie
marin; saumâtre benthopélagique; océanodrome (Ref. 51243). Tropical; 40°N - 39°S, 18°E - 155°E
Indo-West Pacific: African southeast coast from Cape of Good Hope to southern Mozambique; northern Indian Ocean off Pakistan and northwest coast of India; northern Pacific from southern Korea and Japan, along the Chinese coast to Hong Kong; in Australia along the entire southern seaboard from North West Cape (north of Shark Bay) in Western Australia to the Burnett River (north of Brisbane) in Queensland.
Longueur à la première maturité / Taille / Poids / Âge
Maturité: Lm 100.0 range ? - ? cm
Max length : 181 cm TL mâle / non sexé; (Ref. 11025); poids max. publié: 75.0 kg (Ref. 11025)
Épines dorsales (Total) : 10 - 11; Rayons mous dorsaux (Total) : 25 - 30; Épines anales: 2; Rayons mous anaux: 7; Vertèbres: 25. In life, silvery grey becoming darker above and lighter below. Dorsal surface with a bluish bronze sheen that may become coppery on head. Preserved specimens vary in color according to treatment; usually grey but sometimes brown; darker above and lighter below (Ref 11025).
Body shape (shape guide): fusiform / normal.
Adult fish found mainly near shore beyond the surf zone, occasionally going inshore. Juveniles exclusively found inshore. Juveniles recruit to estuaries at about 30 cm TL. An important food fish (Ref. 11025).
Griffiths, M.H. and P.C. Heemstra, 1995. A contribution to the taxonomy of the marine fish genus Argyrosomus (Perciformes: Sciaenidae), with descriptions of two new species from southern Africa. Ichthyol. Bull., J.L.B. Smith Inst. Ichthyol. No. 65, 40 p. (Ref. 11025)
Statut dans la liste rouge de l'IUCN (Ref. 130435: Version 2025-2 (Global))
Menace pour l'homme
Harmless
Utilisations par l'homme
Pêcheries: commercial; Aquaculture: commercial; pêche sportive: oui
Outils
Articles particuliers
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Sources Internet
Estimations basées sur des modèles
Température préférée (Réf.
123201): 16.7 - 27.8, mean 25.3 °C (based on 600 cells).
Indice de diversité phylogénétique (Réf.
82804): PD
50 = 0.5020 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00977 (0.00546 - 0.01749), b=3.06 (2.91 - 3.21), in cm total length, based on LWR estimates for this species & (Sub)family-body (Ref.
93245).
Niveau trophique (Réf.
69278): 4.5 ±0.6 se; based on diet studies.
Résilience (Réf.
120179): Faible, temps minimum de doublement de population : 4,5 à 14 années (tm=6; tmax=40; K=0.03-0.24; Fec=900,000-1 million).
Prior r = 0.30, 95% CL = 0.20 - 0.45, Based on 1 full stock assessment.
Vulnérabilité de la pêche (Ref.
59153): High to very high vulnerability (66 of 100).
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Nutriments (Ref.
124155): Calcium = 31.8 [11.0, 130.0] mg/100g; Iron = 0.454 [0.150, 1.331] mg/100g; Protein = 18.8 [16.7, 20.8] %; Omega3 = 0.215 [0.105, 0.385] g/100g; Selenium = 63 [19, 250] μg/100g; VitaminA = 23.8 [7.9, 76.3] μg/100g; Zinc = 0.725 [0.498, 1.095] mg/100g (wet weight);
