分類 / Names
俗名 | 同種異名 | Catalog of Fishes(屬, 種) | ITIS | CoL | WoRMS | Cloffa
Teleostei >
Characiformes (Characins)
脂鯉目 (Characins) >
Anostomidae (Headstanders)
小口脂鯉科 (Headstanders)
Etymology: Pseudanos: Derived from Greek, pseudes = false (Ref. 45335).
More on author: Kner.
Environment: milieu / climate zone / depth range / distribution range
生態學
; 淡水 底中水層性; pH range: ? - 7.0; dH range: 2 - 8; 深度上下限 0 - 1 m (Ref. 2060). 熱帶; 24°C - 26°C (Ref. 2060)
South America: Guaporé, Negro and Orinoco River basins.
南美洲: Guapore ，尼格羅河與奧里諾科河河流域。
大小 / 重量 / 年齡
Maturity: Lm ? range ? - ? cm
Max length : 18.1 cm SL 雄魚/尚未辨別雌雄; (Ref. 91907); common length : 14.0 cm TL 雄魚/尚未辨別雌雄; (Ref. 2060)
簡短描述
檢索表 | 型態特徵 | 形態測量圖
背的軟條 (總數) : 12; 臀鰭軟條: 11 - 12. Can be diagnosed by having the following characters: four branchiostegal rays; dark spots absent on the center of each body scale; and angle of the dorsal and ventralmost radii of body scales between 110° and 180° (Ref. 91907).
Adults are found in crevices in fast-flowing creeks (Ref. 598). Distinct pairs breed on densely grown weedy places (Ref. 205).
在快速流動的小溪中的裂隙中。
Life cycle and mating behavior
Maturities | 繁殖 | Spawnings | Egg(s) | Fecundities | 仔魚
Distinct pairs breed on densely grown weedy places (Ref. 205).南美洲: Guapore ，尼格羅河與奧里諾科河河流域。
Géry, J., 1977. Characoids of the world. Neptune City ; Reigate : T.F.H. [etc.]; 672 p. : ill. (chiefly col.) ; 23 cm. (Ref. 598)
人類使用
漁業: 商業性; 水族館: 商業性
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Estimates based on models
Phylogenetic diversity index (Ref.
82804): PD
50 = 0.5312 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.01096 (0.00533 - 0.02257), b=3.06 (2.89 - 3.23), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref.
93245).
營養階層 (Ref.
69278): 2.4 ±0.1 se; based on size and trophs of closest relatives
回復力 (Ref.
120179): 高度, 族群倍增時間少於 15個月 (Preliminary K or Fecundity.).
Fishing Vulnerability (Ref.
59153): Low vulnerability (12 of 100).
