分类 / Names
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Teleostei >
Characiformes (Characins) >
Anostomidae (Headstanders)
Etymology: Schizodon: Greek, schizein = to divide + Greek, odous = teeth (Ref. 45335).
More on author: Kner.
Environment: milieu / climate zone / depth range / distribution range
生态学
; 淡水 底中水层性. 熱帶
South America: Paraguay River basin (Ref. 36801). Reported from Venezuela (Ref. 40172).
南美洲: 巴拉圭河流域。
大小 / 重量 / 年龄
Maturity: Lm ?  range ? - ? cm
Max length : 35.0 cm SL 雄鱼/尚未辨别雌雄; (Ref. 81048)
简单描述
检索表 | 型态特徵 | 形态测量图
背的软条 (总数) : 12; 臀鳍软条: 10; 脊椎骨: 40 - 42.
Adults feed on macrophytes (Ref. 75767). Distinct pairs breed on densely grown weedy places (Ref. 205).
Life cycle and mating behavior
Maturities | 繁殖 | Spawnings | Egg(s) | Fecundities | 仔鱼
Distinct pairs breed on densely grown weedy places (Ref. 205).南美洲: 巴拉圭河流域。
Sidlauskas, B.L., J.C. Garavello and J. Jellen, 2007. A new Schizodon (Characiformes: Anostomidae) from the Río Orinoco system, with a redescription of S. isognathus from the Río Paraguay System. Copeia 2007(3):711-725. (Ref. 75767)
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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=0.01000 (0.00244 - 0.04107), b=3.04 (2.81 - 3.27), in cm total length, based on all LWR estimates for this body shape (Ref.
93245).
营养阶层 (Ref.
69278): 2.4 ±0.2 se; based on size and trophs of closest relatives
回复力 (Ref.
120179): 中等的, 族群倍增时间最少 1.4 - 4.4年 (Preliminary K or Fecundity.).
Fishing Vulnerability (Ref.
59153): Low to moderate vulnerability (33 of 100).