分类 / 名称
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Teleostei >
Characiformes (Characins) >
Anostomidae (Headstanders) > Anostominae
Etymology: Pseudanos: Derived from Greek, pseudes = false (Ref. 45335).
More on author: Kner.
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; 23°C - 27°C (Ref. 1672)
South America: Brazil, Guyana, Peru (Ref. 36801), Ecuador (Ref. 91907) and Argentina (Ref. 9086). Recorded from Amazon River basin (Ref. 36801); Rio Guaporé in Brazil, Essequibo and Rupununi Rivers in Guyana (Ref. 91907).
南美洲: 亞馬遜河流域。
大小 / 重量 / 年龄
成熟度: Lm ?  range ? - ? cm
Max length : 18.8 cm TL 雄鱼/尚未辨别雌雄; (Ref. 111518)
臀鳍软条: 11 - 12. Can be diagnosed by having the following characters: dark transversal bars on dorsum present; dark spots absent on the center of each body scale in some specimens; usually two, sometimes three or four midlateral dark blotches on body; angle of the dorsal and ventralmost radii of body scales between 110° and 180°; and cranial fontanel partially closed (Ref. 91907).
Body shape (shape guide): fusiform / normal.
Adults are found in schools of 10-50 specimens in deeper water. They feed on plants (Ref. 13371). Distinct pairs breed on densely grown weedy places (Ref. 205).
在深水中的在 10-50 个个体鱼群中; 吃植物。 (参考文献 13371)
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: 亞馬遜河流域。
Garavello, J.C. and H.A. Britski, 2003. Anostomidae (Headstanders). p. 71-84. In R.E. Reis, S.O. Kullander and C.J. Ferraris, Jr. (eds.) Checklist of the Freshwater Fishes of South and Central America. Porto Alegre: EDIPUCRS, Brasil. (Ref. 36801)
世界自然保护联盟红皮书 (Ref. 130435: Version 2025-2 (Global))
人类利用
渔业: 商业性; 水族馆: 商业性
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特别资料
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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) |
PD50 = 0.5312 [Uniqueness, from 0.5 = low to 2.0 = high]. |
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Bayesian length-weight
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a=0.01072 (0.00419 - 0.02740), b=3.04 (2.82 - 3.26), 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) |
高度, 族群倍增时间少于 15个月 (Preliminary K or Fecundity.). |
渔业脆弱性 (Ref. 59153) |
Low vulnerability (25 of 100). 🛈 |
价格分类 (Ref. 80766) |
Unknown.
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