分類 / Names
俗名 | 同種異名 | Catalog of Fishes(屬, 種) | 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: Plagioscion: Greek, plagios = oblique + Greek, skiaina, skion = barbel, red mullet (Ref. 45335).
More on author: Heckel.
Environment: milieu / climate zone / depth range / distribution range
生態學
; 淡水 底中水層性; 河川洄游 (Ref. 51243). 熱帶; 22°C - 27°C (Ref. 12468)
South America: Amazon, Orinoco, Paraná, Paraguay, and São Francisco River basins and rivers fo Guianas.
南美洲: 委內瑞拉與祕魯到巴西。
Length at first maturity / 大小 / 重量 / 年齡
Maturity: Lm 20.7 range ? - ? cm
Max length : 80.0 cm TL 雄魚/尚未辨別雌雄; (Ref. 36888); 最大體重: 4.5 kg (Ref. 40637)
背棘 (總數) : 11; 背的軟條 (總數) : 30 - 34; 臀棘: 2; 臀鰭軟條: 5 - 6. Vertebral column extends into caudal fin. Black spot near the base of the pectorals. Dorsal posterior margin of operculum slightly toothed.
椎骨柱延伸到尾鰭內。 在胸鰭的基底附近的黑色的斑點。 鰓蓋的背部後緣些微有齒。
Occupies very diverse biotopes and carries out its biological cycle in freshwater as well as in brackish water (Ref. 27188). Juveniles feed on larvae of crustaceans (especially Macrobrachium), aquatic insects and copepods. Adults prey on fish. Captured during the rainy season (Ref. 35237).
佔領非常不同的生存環境而且實行它的生物學周期在淡水中以及在半淡鹹水.(參考文獻 27188) 稚魚吃甲殼動物 (尤其 Macrobrachium) ，水生昆蟲與橈腳類的動物的仔魚。 成魚捕食魚。 在雨季的時候捕獲。 (參考文獻 35237)
南美洲: 委內瑞拉與祕魯到巴西。
Casatti, L., 2003. Sciaenidae (Drums or croakers). p. 599-602. In R.E. Reis, S.O. Kullander and C.J. Ferraris, Jr. (eds.) Checklist of the Freshwater Fishes of South and Central America. Porto Alegre: EDIPUCRS, Brasil. (Ref. 36888)
人類使用
漁業: 商業性; 養殖: 商業性; 水族館: 商業性
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Estimates based on models
Phylogenetic diversity index (Ref.
82804): PD
50 = 0.5078 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00871 (0.00795 - 0.00954), b=3.09 (3.07 - 3.11), in cm total length, based on LWR estimates for this species (Ref.
93245).
營養階層 (Ref.
69278): 4.4 ±0.5 se; based on diet studies.
回復力 (Ref.
120179): 中等的, 族群倍增時間最少 1.4 - 4.4年 (K=0.11-0.22; tm=1-1.5).
Fishing Vulnerability (Ref.
59153): High vulnerability (62 of 100).
Nutrients (Ref.
124155): Calcium = 47.4 [22.8, 100.6] mg/100g; Iron = 0.868 [0.407, 1.560] mg/100g; Protein = 18.9 [17.6, 20.2] %; Omega3 = 0.344 [0.122, 0.954] g/100g; Selenium = 73.9 [29.6, 172.3] μg/100g; VitaminA = 85.8 [22.4, 311.3] μg/100g; Zinc = 1.18 [0.79, 1.79] mg/100g (wet weight);
