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) >
Curimatidae (Toothless characins)
無齒脂鯉科 (Toothless characins)
Etymology: Cyphocharax: Greek, kyphos = curved, humpback + Greek, charax = a marine fish without identification (Ref. 45335).
More on author: Günther.
Issue
See Vari (1992:100) for detailed description.
Environment: milieu / climate zone / depth range / distribution range
生態學
; 淡水 底中水層性; pH range: 6.0 - 7.8; dH range: ? - 25. 熱帶; 20°C - 28°C (Ref. 2060)
South America: Cuyuni River in Guyana and eastern Venezuela; coastal rivers of the Guianas from the Essequibo River of Guyana to Mana River of French Guiana; upper Branco River in Brazil; possibly occurring in the Orinoco and upper Negro rivers.
南美洲: 在蓋亞那與委內瑞拉東部的 Cuyuni 河; 到法屬圭亞那的 Mana 河的蓋亞那的圭亞那從 Essequibo 河的沿海的河川; 在巴西的 Branco 河上游; 可能地出現在奧里諾科河與尼格羅河上游。
大小 / 重量 / 年齡
Maturity: Lm ? range ? - ? cm
Max length : 10.4 cm SL 雄魚/尚未辨別雌雄; (Ref. 38013)
Occurs in the rapids, in creeks with sandy or rocky bottoms. Feeds on detritus (Ref. 12225).
出現於急流, 在小溪中具有沙的或岩石底部。 吃碎屑。 (參考文獻 12225)
Life cycle and mating behavior
Maturities | 繁殖 | Spawnings | Egg(s) | Fecundities | 仔魚
Spawns during rainy season in flooded areas.南美洲: 在蓋亞那與委內瑞拉東部的 Cuyuni 河; 到法屬圭亞那的 Mana 河的蓋亞那的圭亞那從 Essequibo 河的沿海的河川; 在巴西的 Branco 河上游; 可能地出現在奧里諾科河與尼格羅河上游。
Vari, R.P., 1992. Systematics of the neotropical characiform genus Cyphocharax Fowler (Pisces, Ostariophysi). Smithson. Contrib. Zool. 529:137 p. (Ref. 11334)
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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=0.01380 (0.00737 - 0.02585), b=3.05 (2.89 - 3.21), in cm total length, based on LWR estimates for this species & Genus-body shape (Ref.
93245).
營養階層 (Ref.
69278): 2.0 ±0.00 se; based on food items.
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 (10 of 100).
