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South America: Orissanga, Paraná, and Paraguay River basins (Ref. 36801). Reported from the Uruguay River in Brazil (Ref. 79585). 南美洲: Orissanga , Parana 與巴拉圭河流域。
大小 / 重量 / 年齡
成熟度: Lm ?  range ? - ? cm Max length : 25.0 cm TL 雄魚/尚未辨別雌雄; (Ref. 36801)
Adults are found in fast flowing water; they feed on plants (Ref. 13371). Distinct pairs breed on densely grown weedy places (Ref. 205).
在快速的流動水; 吃植物。 (參考文獻 13371)
Life cycle and mating behavior 成熟度 | 繁殖 | 產卵場 | 卵 | 孕卵數 | 仔魚
Phylogenetic diversity index (參考文獻 82804): PD50 = 0.5000 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00933 (0.00592 - 0.01472), b=3.04 (2.91 - 3.17), in cm total length, based on LWR estimates for this species & Genus-body shape (Ref. 93245).
營養階層 (參考文獻 69278): 2.0 ±0.00 se; based on food items.
回復力 (參考文獻 120179): 中等的, 族群倍增時間最少 1.4 - 4.4年 (Preliminary K or Fecundity.).
Fishing Vulnerability (Ref. 59153): Low vulnerability (15 of 100). 🛈