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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).
Eponymy: Anthony R ‘Tony’ Thorpe was a South African lawyer and avid angler. He sent Smith three undescribed fish that he had discovered in KwaZulu Natal waters and supplied specimens and photographs. (Ref. 128868), visit book page.
Environment: milieu / climate zone / depth range / distribution range
Ecologia
marino demersale. Subtropical; 24°S - 36°S, 25°E - 35°E (Ref. 56860)
Western Indian Ocean: Mozambique to Port Elizabeth, South Africa; also from the west coast of Madagascar.
Length at first maturity / Size / Peso / Age
Maturity: Lm 33.0 range ? - ? cm
Max length : 71.0 cm TL maschio/sesso non determinato; (Ref. 4373); common length : 40.0 cm TL maschio/sesso non determinato; (Ref. 3490); peso massimo pubblicato: 12.0 kg (Ref. 11025)
Spine dorsali (totale) : 11; Raggi dorsali molli (totale) : 26 - 28; Spine anali: 2; Raggi anali molli: 6 - 7. Body silvery, fins orange-brown or yellowish (Ref. 4373).
Found in coastal waters. Juveniles are found on sand or mud substrate and the adults predominantly on reef (Ref. 12200). Spawns in the winter (Ref. 12199). An important food fish. Sold fresh in markets.
Life cycle and mating behavior
Maturità | Riproduzione | Deposizione | Uova | Fecundity | Larve
Robins, C.R., R.M. Bailey, C.E. Bond, J.R. Brooker, E.A. Lachner, R.N. Lea and W.B. Scott, 1991. World fishes important to North Americans. Exclusive of species from the continental waters of the United States and Canada. Am. Fish. Soc. Spec. Publ. (21):243 p. (Ref. 4537)
IUCN Red List Status (Ref. 130435: Version 2024-2)
Threat to humans
Harmless
Human uses
Pesca: commerciale; Pesce da pesca sportiva: si
Strumenti
Special reports
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Fonti Internet
Estimates based on models
Preferred temperature (Ref.
123201): 23.7 - 25.2, mean 24.7 °C (based on 10 cells).
Phylogenetic diversity index (Ref.
82804): PD
50 = 0.5020 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00851 (0.00415 - 0.01744), b=3.08 (2.91 - 3.25), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref.
93245).
Trophic level (Ref.
69278): 4.1 ±0.7 se; based on size and trophs of closest relatives
Resilienza (Ref.
120179): Medio, tempo minimo di raddoppiamento della popolazione 1.4 - 4.4 anni (Preliminary K or Fecundity.).
Fishing Vulnerability (Ref.
59153): Moderate to high vulnerability (48 of 100).
