分类 / 名称
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: Plagioscion: Greek, plagios = oblique + Greek, skiaina, skion = barbel, red mullet (Ref. 45335).
More on author: Heckel.
环境：氛围 / 气候带 / 深度上下限 / 分布范围
生态学
; 淡水 底中水层性; 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。
首次成熟时的长度 / 大小 / 重量 / 年龄
成熟度: Lm 20.7 range ? - ? cm
Max length : 80.0 cm TL 雄鱼/尚未辨别雌雄; (Ref. 36888); 最大体重: 4.5 kg (Ref. 40637)
背棘 (总数) : 11; 背的软条 (总数) : 30 - 34; 臀棘: 2; 臀鳍软条: 5 - 6. Vertebral column extends into caudal fin. Black spot near the base of the pectorals. Dorsal posterior margin of operculum slightly toothed.
Body shape (shape guide): fusiform / normal; Cross section: oval.
椎骨柱延伸到尾鳍内。 在胸鳍的基底附近的黑色的斑点。 鳃盖的背部后缘些微有齿。
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).
占领非常不同的生存环境而且实行它的生物学周期在淡水中以及在半淡咸水.(参考文献 27188) 稚鱼吃甲壳动物 (尤其 Macrobrachium) ，水生昆虫与桡脚类的动物的仔鱼。 成鱼捕食鱼。 在雨季的时候捕获。 (参考文献 35237)
生命周期和交配行为
成熟度 | 繁殖 | 产卵场 | 卵 | 孕卵数 | 仔鱼
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)
世界自然保护联盟红皮书 (Ref. 130435: Version 2025-2 (Global))
人类利用
渔业: 商业性; 养殖: 商业性; 游钓鱼种: 是的; 水族馆: 商业性
工具
特别资料
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网络资源
基于模型的估算
系统发育多样性指数 (参考文献
82804): PD
50 = 0.5078 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00871 (0.00797 - 0.00952), b=3.08 (3.06 - 3.10), in cm total length, based on LWR estimates for this species (Ref.
93245).
营养阶层 (参考文献
69278): 4.4 ±0.5 se; based on diet studies.
回复力 (参考文献
120179): 中等的, 族群倍增时间最少 1.4 - 4.4年 (K=0.11-0.22; tm=1-1.5).
渔业脆弱性 (Ref.
59153): High vulnerability (62 of 100).
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营养素 (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);
