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: Schizodon: Greek, schizein = to divide + Greek, odous = teeth (Ref. 45335).
Eponymy: Not an eponym: corti is the common name for this fish in the area of Lake Maracaibo, Venezuela. (Ref. 128868), visit book page.
More on author: Schultz.
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: rivers draining into Lake Maracaibo.
南美洲: 河進入湖 Maracaibo 之內注入。
大小 / 重量 / 年龄
成熟度: Lm ?  range ? - ? cm
Max length : 40.0 cm SL 雄鱼/尚未辨别雌雄; (Ref. 26543)
背的软条 (总数) : 12; 臀鳍软条: 10; 脊椎骨: 40 - 41. With 5 1/2 scales in a transverse series between the lateral line and the origin of the dorsal fin; with 5 scales between the lateral line and the origin of the anal fin; presence of three cusps on all jaw teeth; fourth blotch of dark pigmentation on the mid-lateral surface of the body is centered distinctly anterior of the vertical line through the origin of the adipose fin; relatively longer post-orbital portion of the head (0.40- 0.47 of HL); and lack of dark mid-lateral stripe; pored lateral-line scales from supracleithrum to end of lateral line 43 to 45; all scales of lateral line pored.
Body shape (shape guide): fusiform / normal.
在侧线与背鳍起点之间的横跨系列中有 5 1/2 鳞片; 5 在侧线与臀鳍起点之间的鳞片; 在所有的颌齿上有三个尖头; 在身体的侧面中央表面上的深色颜色的第四个斑块被集中明显前面的脂鳍的垂直线经过起源; 头部的相对较长后眼窝的部分 (0.40- 0.47 HL); 而且没有黑色侧面中央的斑纹; 从 supracleithrum 到侧线的末端的有细孔的侧线鳞片 43 到 45; 侧线的所有鳞片有孔的了。
Adults feed on fresh leaves and grasses (Ref. 26543). Distinct pairs breed on densely grown weedy places (Ref. 205).
吃新鲜的树叶与草。 (参考文献 26543)
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: 河進入湖 Maracaibo 之內注入。
Vari, R.P. and S.J. Raredon, 1991. The genus Schizodon (Teleostei: Ostariophysi: Anostomidae) in Venezuela, a reappraisal. Proc. Biol. Soc. Wash. 104(1):12-22. (Ref. 28837)
世界自然保护联盟红皮书 (Ref. 130435: Version 2025-2 (Global))
人类利用
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基于模型的估算
系统发育多样性指数 (参考文献
82804): PD
50 = 0.5000 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.01072 (0.00507 - 0.02267), b=3.08 (2.91 - 3.25), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref.
93245).
营养阶层 (参考文献
69278): 2.0 ±0.00 se; based on food items.
回复力 (参考文献
120179): 中等的, 族群倍增时间最少 1.4 - 4.4年 (Preliminary K or Fecundity.).
渔业脆弱性 (Ref.
59153): Moderate vulnerability (39 of 100).
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