Common names from other countries
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Eupercaria/misc (Various families in series Eupercaria) >
Sciaenidae (Drums or croakers)
Etymology: Argyrosomus: Greek, argyros = silvered, silver + Greek, soma = body (Ref. 45335).
More on author: Lacepède.
Environment: milieu / climate zone / εύρος βάθους / distribution range
Οικολογία
Θαλασσινό(ά); Υφάλμυρο βενθικό(ς); εύρος βάθους ? - 400 m (Ref. 27121), usually 15 - 150 m (Ref. 27121). Subtropical; 13°C - 24°C (Ref. 3593); 11°N - 27°S, 43°E - 51°E
Indian Ocean: endemic to Madagascar (Ref. 11025). Reports from "Ghana to South Africa" (Ref. 57396) refer to Argyrosomus regius and Argyrosomus coronus (Ref. 11025).
Μέγεθος / Βάρος / Age
Γεννητική Ωρίμανση: Lm ? range ? - ? cm
Max length : 200 cm TL αρσενικό/απροσδιόριστο; (Ref. 4336); common length : 100.0 cm SL αρσενικό/απροσδιόριστο; (Ref. 9772); μεγ. δημοσιευμένο βάρος: 71.0 kg (Ref. 5369); μεγ. αναφερόμενη ηλικία: 30 έτη (Ref. 12198)
Ραχιαίες άκανθες (συνολικά) : 11; Μαλακές ραχιαίες ακτίνες (συνολικά) : 26 - 30; Εδρικές άκανθες: 2; Μαλακές εδρικές ακτίνες: 7. Body silvery; fins grey or brown; upper end of pectoral base with a black blotch (Ref. 4373).
Body shape (shape guide): fusiform / normal.
Found in lower reaches of rivers, estuaries, rocky reefs, ocean beaches and on the continental shelf down to 150 m (Ref. 9772). Caught near the bottom and in mid-water. Feed mainly at night or in turbid waters (Ref. 27121), preying on cuttlefish (Ref. 27121), fishes, crabs, prawns, and worms (Ref. 9772).
Life cycle and mating behavior
Γεννητική Ωρίμανση | Αναπαραγωγή | Γεννοβολία | Αβγά | Γονιμότητα | Προνύμφες
Chao, L.N. and E. Trewavas, 1990. Sciaenidae. p. 813-826. In J.C. Quero, J.C. Hureau, C. Karrer, A. Post and L. Saldanha (eds.) Check-list of the fishes the eastern tropical Atlantic (CLOFETA). JNICT, Lisbon; SEI, Paris; and UNESCO, Paris. Vol. 2. (Ref. 3593)
IUCN Red List Status (Ref. 130435: Version 2025-1)
Threat to humans
Harmless
Human uses
αλιεία: Εμπορικό(ά); αλιεία αναψυχής: ναί
Εργαλεία
Special reports
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Διαδικτυακές πηγές
Estimates based on models
Preferred temperature (Αναφ.
123201): 21.4 - 27.6, mean 25.9 °C (based on 60 cells).
Phylogenetic diversity index (Αναφ.
82804): PD
50 = 0.5020 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00562 (0.00332 - 0.00953), b=3.06 (2.92 - 3.20), in cm total length, based on LWR estimates for this species & (Sub)family-body (Ref.
93245).
Τροφικό Επίπεδο (Αναφ.
69278): 4.5 ±0.8 se; based on diet studies.
Ελαστικότητα (Αναφ.
120179): Πολύ χαμηλό, ελάχιστος χρόνος για διπλασιασμό πληθυσμού > 14 έτη (K=0.03; tm=6).
Fishing Vulnerability (Ref.
59153): Very high vulnerability (90 of 100).
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Climate Vulnerability (Ref.
125649): Moderate to high vulnerability (53 of 100).
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Nutrients (Ref.
124155): Calcium = 25.3 [8.9, 63.9] mg/100g; Iron = 0.471 [0.168, 1.367] mg/100g; Protein = 20.1 [18.2, 22.0] %; Omega3 = 0.355 [0.203, 0.580] g/100g; Selenium = 32 [11, 105] μg/100g; VitaminA = 6.51 [2.03, 22.25] μg/100g; Zinc = 0.481 [0.343, 0.711] mg/100g (wet weight); based on
nutrient studies.
