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).
Eponymy: Dr Carl Wilhelm von Nägeli (1817–1891) was a physician (graduated at the University of Zurich) and a botanist. [...] (Ref. 128868), visit book page.
More on author: Steindachner.
Issue
See Vari (1992:23) for detailed description.
Environment: milieu / climate zone / depth range / distribution range
生態學
; 淡水 底中水層性; 河川洄游 (Ref. 51243). 熱帶
South America: Upper Paraná River basin in Brazil.
南美洲: 在巴西的上面巴拉納河流域。
Length at first maturity / 大小 / 重量 / 年齡
Maturity: Lm 8.9 range ? - ? cm
Max length : 19.0 cm TL 雄魚/尚未辨別雌雄; (Ref. 115169); 19.0 cm TL (female); 最大體重: 90.00 g (Ref. 115169); 最大體重: 90.00 g
This species is engaged in large-scale seasonal migrations in the Rio Mogi Guassu (= Mogi-Guaçu), a tributary of the upper Rio Paraná. Forty to 50-day old juveniles were reported to be zooplanktivores and the larger individuals were detrivores (Ref. 11334).
這種在 Rio Mogi Guassu(= Mogi-Guacu) 中被從事大規模的季節性的迴游, 上面 Rio Parana 的一個支流。 四十到 50 天的老稚魚被報告是吃浮游動物者，而且較大的個體是吃碎屑的動物。 (參考文獻 11334)
Life cycle and mating behavior
成熟度 | 繁殖 | 產卵場 | 卵 | 孕卵數 | 仔魚
南美洲: 在巴西的上面巴拉納河流域。
Vari, R.P., 1992. Systematics of the neotropical characiform genus Cyphocharax Fowler (Pisces, Ostariophysi). Smithson. Contrib. Zool. 529:137 p. (Ref. 11334)
IUCN 瀕危狀態 (Ref. 130435: Version 2024-2)
無危 (LC) ; Date assessed: 07 November 2018
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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 (0.00848 - 0.02247), b=3.11 (2.98 - 3.24), in cm total length, based on LWR estimates for this species & Genus-body shape (Ref.
93245).
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).
