分类 / Names
俗名 | 同种异名 | Catalog of Fishes(属, 种) | ITIS | CoL | WoRMS | Cloffa
Teleostei >
Eupercaria/misc (Various families in series Eupercaria)
鱸形目 (Various families in series Eupercaria) >
Sciaenidae (Drums or croakers)
石首魚科 (Drums or croakers)
Etymology: Argyrosomus: Greek, argyros = silvered, silver + Greek, soma = body (Ref. 45335); inodorus: Name from the Latin 'inodorus' meaning without smell (first suspected of being a different species because it lacked the strong brassy/metallic smell that is typical of A. japonicus found in South African waters..
Environment: milieu / climate zone / depth range / distribution range
生态学
海洋; 半咸淡水 底中水层性; 海洋洄游的 (Ref. 51243); 深度上下限 1 - 100 m (Ref. 11025). 亞熱帶的; 17°S - 38°S, 11°E - 29°E
Southeast Atlantic: Namibia southwards around the Cape of Good Hope and northwards at least as far as the Kei River in South Africa.
東南大西洋: 好望角與北方至少的周圍那米比亞南方遠達在南非的 Kei 河。
Length at first maturity / 大小 / 重量 / 年龄
Maturity: Lm 34.4 range ? - ? cm
Max length : 145 cm TL 雄鱼/尚未辨别雌雄; (Ref. 11025); common length : 115 cm TL 雄鱼/尚未辨别雌雄; (Ref. 11025); 最大体重: 36.3 kg (Ref. 11025)
简单描述
检索表 | 型态特徵 | 形态测量图
背棘 (总数) : 11; 背的软条 (总数) : 25 - 29; 臀棘: 2; 臀鳍软条: 7 - 8; 脊椎骨: 25. Swim bladder carrot-shaped with 31-42 arborescent appendages, the latero-anterior limb of appendages present throughout length of bladder; drumming muscles present only in males; urinary bladders rudimentary; sagitta elongate with pronounced bulge in posterior third of ventral margin; pectoral fin axillary fold naked; peritoneum unpigmented; anterior part of lateral line slightly curved.
泳鳔胡萝卜-形状的具有 31-42个树枝状的附肢，附肢的后面-前面肢翼在膀胱的长度各处呈现; 鼓形肌只出现在雄性; 膀胱不发达的; 矢耳石延长在下缘的后面三分之一中有明显的凸起; 胸鳍腋窝的羽翼摺叠裸露的; 腹膜没有颜色; 侧线的前部些微地弯曲。
Between the Kei River and Cape Agulhas, this species rarely enters estuaries or the surf zone, but becomes more abundant in the surf zone on the west coast of South Africa. Restricted to a depth of 1-20 m in Namibia, apparently due to anoxic conditions beyond this depth. Highly regarded as a table fish. Marketed mostly fresh, but sometimes frozen (Ref. 11025).
在 Kei 河与艾古哈斯角之间，这种很少进入河口或者海浪区, 但是在南非的西岸上的海浪区中变得更丰富的。 局限于深度了单一 20 公尺的在那米比亚, 显然地由于缺氧的环境超过这深度。 获高度评价作为一个食用鱼。 市场上大部份生鲜地销售, 但是有时冷冻的.(参考文献 11025)
Life cycle and mating behavior
Maturities | 繁殖 | Spawnings | Egg(s) | Fecundities | 仔鱼
東南大西洋: 好望角與北方至少的周圍那米比亞南方遠達在南非的 Kei 河。
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)
人类利用
渔业: 商业性; 游钓鱼种: 是的
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Estimates based on models
Preferred temperature (Ref.
123201): 13.9 - 21.7, mean 16.3 °C (based on 48 cells).
Phylogenetic diversity index (Ref.
82804): PD
50 = 0.5020 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00813 (0.00477 - 0.01384), b=3.07 (2.93 - 3.21), in cm total length, based on LWR estimates for this species & (Sub)family-body (Ref.
93245).
营养阶层 (Ref.
69278): 4.2 ±0.67 se; based on food items.
回复力 (Ref.
120179): 中等的, 族群倍增时间最少 1.4 - 4.4年 (K=0.09-0.12; tm=1.3-2.4).
Prior r = 0.35, 95% CL = 0.23 - 0.52, Based on 2 full stock assessments.
Fishing Vulnerability (Ref.
59153): High to very high vulnerability (68 of 100).
Nutrients (Ref.
124155): Calcium = 23.8 [8.7, 62.9] mg/100g; Iron = 0.459 [0.153, 1.330] mg/100g; Protein = 19.3 [17.3, 21.3] %; Omega3 = 0.299 [0.157, 0.522] g/100g; Selenium = 23.4 [7.6, 89.8] μg/100g; VitaminA = 17.9 [5.6, 58.4] μg/100g; Zinc = 0.592 [0.424, 0.858] mg/100g (wet weight);
