分类 / 名称
俗名 | 同种异名 | Catalog of Fishes(属, 种) | ITIS | CoL | WoRMS | Cloffa
Teleostei >
Characiformes (Characins) >
Anostomidae (Headstanders)
Etymology: Megaleporinus: Name from Greek 'mega' meaning large or largest, plus Leporinus, the genus which most species (now in this genus) were previously assigned; refrring to the large size of most congeners.
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. 熱帶
分布
领土 | FAO区域 | 生态系 | 标本纪录 | 分布图 | 简介 | Faunafri
South America: Paraguay River basin.
南美洲: 巴拉圭河流域。
大小 / 重量 / 年龄
成熟度: Lm ? range ? - ? cm
Max length : 68.4 cm TL 雄鱼/尚未辨别雌雄; (Ref. 115169); 最大体重: 5.3 kg (Ref. 115169)
Distinct pairs breed on densely grown weedy places (Ref. 205).
生命周期和交配行为
成熟度 | 繁殖 | 产卵场 | 卵 | 孕卵数 | 仔鱼
Distinct pairs breed on densely grown weedy places (Ref. 205).南美洲: 巴拉圭河流域。
Ramirez, J.L., J.L.O. Birindelli and P.M. Galetti Jr., 2017. A new genus of Anostomidae (Ostariophysi: Characiformes): Diversity, phylogeny and biogeography based on cytogenetic, molecular and morphological data. Molecular Phylogenetics and Evolution, 107: 308-323. (Ref. 113781)
世界自然保护联盟红皮书 (Ref. 130435: Version 2025-2 (Global))
人类利用
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 = 0.5010 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.01122 (0.00732 - 0.01720), b=3.19 (3.07 - 3.31), in cm total length, based on LWR estimates for this species & Genus-body shape (Ref.
93245).
营养阶层 (参考文献
69278): 2.5 ±0.1 se; based on size and trophs of closest relatives
回复力 (参考文献
120179): 低的, 最小族群倍增时间4.5 - 14 年 (Preliminary K or Fecundity.).
渔业脆弱性 (Ref.
59153): Moderate to high vulnerability (47 of 100).
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营养素 (Ref.
124155): Calcium = 77.1 [22.2, 187.0] mg/100g; Iron = 1.12 [0.49, 2.53] mg/100g; Protein = 17.6 [15.5, 20.0] %; Omega3 = 0.169 [0.060, 0.464] g/100g; Selenium = 50.1 [18.9, 121.7] μg/100g; VitaminA = 38.1 [9.7, 118.7] μg/100g; Zinc = 2.22 [1.48, 3.31] mg/100g (wet weight);
