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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
بوم شناسي
دريايي نزديك كف زي. 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 / Weight / سن
Maturity: Lm 33.0 range ? - ? cm
Max length : 71.0 cm TL جنس نر / بدون خواص جنسي; (Ref. 4373); common length : 40.0 cm TL جنس نر / بدون خواص جنسي; (Ref. 3490); بيشينه وزن گزارش شده: 12.0 kg (Ref. 11025)
خارهاي باله پشتي (کل) : 11; شعاع نرم باله پشتي (کل) : 26 - 28; خارهاي باله مخرجي: 2; شعاع نرم باله مخرجي: 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
بلوغ | تولید مثل | تخم ریزی | تخم ها | Fecundity | توزاد ( لارو)
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)
وضعيت در فهرست قرمز IUCN (Ref. 130435: Version 2024-2)
خطر برای انسان ها
Harmless
استفاده انسانی
ماهي گيري – شيلات: تجاري; ماهي ها ي سرگرم كننده: بله
ابزارها
گزارش های ويژه
بارگيری XML
منابع اينترنتي
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
جهندگی (Ref.
120179): متوسط, كمينه زمان لازم براي دو برابر شدن جمعيت 4/1 – 4/4 سال (Preliminary K or Fecundity.).
Fishing Vulnerability (Ref.
59153): Moderate to high vulnerability (48 of 100).
