分类 / Names
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Teleostei >
Characiformes (Characins) >
Characidae (Characins; tetras) > Stevardiinae
Etymology: Bryconamericus: Greek, bryko = to bite + America, latinized (Ref. 45335).
More on author: Eigenmann.
Environment: milieu / climate zone / depth range / distribution range
生态学
; 淡水 底中水层性; pH range: 5.5 - 7.2; dH range: 10 - 25. 亞熱帶的; 22°C - 26°C (Ref. 2059)
South America: La Plata and São Francisco River basins (Ref. 38376). Reported from the Uruguay River in Brazil (Ref. 79585).
南美洲: La Plata 與 Sao 弗朗西斯科河流域。
Length at first maturity / 大小 / 重量 / 年龄
Maturity: Lm 2.1  range ? - ? cm
Max length : 11.4 cm TL 雄鱼/尚未辨别雌雄; (Ref. 79585); 最大体重: 19.90 g (Ref. 79585)
Life cycle and mating behavior
成熟度 | 繁殖 | 产卵场 | 卵 | 孕卵数 | 仔鱼
南美洲: La Plata 與 Sao 弗朗西斯科河流域。
Géry, J., 1977. Characoids of the world. Neptune City ; Reigate : T.F.H. [etc.]; 672 p. : ill. (chiefly col.) ; 23 cm. (Ref. 598)
人类利用
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Estimates based on models
Phylogenetic diversity index (Ref.
82804): PD
50 = 0.5000 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.01288 (0.00774 - 0.02145), b=2.84 (2.70 - 2.98), in cm total length, based on LWR estimates for this species & Genus-body shape (Ref.
93245).
营养阶层 (Ref.
69278): 2.7 ±0.37 se; based on food items.
回复力 (Ref.
120179): 高度, 族群倍增时间少于 15个月 (Preliminary K or Fecundity.).
Fishing Vulnerability (Ref.
59153): Low vulnerability (10 of 100).