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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 / نطاق العمق / distribution range
البيئة
بحري القاع. 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 / الحجم / وزن / العمر
النضج: Lm 33.0 range ? - ? cm
Max length : 71.0 cm TL ذكر/ مختلط الجنس; (Ref. 4373); common length : 40.0 cm TL ذكر/ مختلط الجنس; (Ref. 3490); أعلا وزن تم نشرة: 12.0 kg (Ref. 11025)
الأشواك الظهرية (المجموع) : 11; الأشعة الظهرية الناعمة (المجموع) : 26 - 28; شوكة شرجية: 2; أشعه شرجية لينه: 6 - 7. Body silvery, fins orange-brown or yellowish (Ref. 4373).
Body shape (shape guide): fusiform / normal.
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
النضج | التكاثر | وضع البيض | بيض | الخصوبة | Larvae
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 2025-1)
استخدامات بشرية
مصائد: تجاري; لعبة سمكه: نعم
أدوات
تقارير خاصة
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مصادر علي الأنترنت
Estimates based on models
Preferred temperature (مرجع
123201): 23.7 - 25.2, mean 24.7 °C (based on 10 cells).
Phylogenetic diversity index (مرجع
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).
مستوى غذائي (مرجع
69278): 4.1 ±0.7 se; based on size and trophs of closest relatives
المرونه (مرجع
120179): وسيط, الحد الزمني الأدني لتضاعف عدد أفراد المجتمع 1.4-4.4 سنة (Preliminary K or Fecundity.).
Fishing Vulnerability (Ref.
59153): Moderate to high vulnerability (48 of 100).
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