分類 / Names
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Characiformes (Characins) >
Curimatidae (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
生態学
; 新鮮な水 底生の漂泳性; pH range: 6.0 - 7.8; dH range: ? - 25. Tropical; 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.
サイズ / 重さ / 年齢
Maturity: Lm ? range ? - ? cm
Max length : 10.4 cm SL オス/雌雄の選別がない; (Ref. 38013)
Occurs in the rapids, in creeks with sandy or rocky bottoms. Feeds on detritus (Ref. 12225).
Life cycle and mating behavior
Maturities | 繁殖 | Spawnings | Egg(s) | Fecundities | 幼生
Spawns during rainy season in flooded areas.
Vari, R.P., 1992. Systematics of the neotropical characiform genus Cyphocharax Fowler (Pisces, Ostariophysi). Smithson. Contrib. Zool. 529:137 p. (Ref. 11334)
Human uses
用具
特記事項
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インターネットの情報源
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).
栄養段階 (Ref.
69278): 2.0 ±0.00 se; based on food items.
回復力 (Ref.
120179): 高い, １５か月以下の倍増期間の最小個体群 (Preliminary K or Fecundity.).
Fishing Vulnerability (Ref.
59153): Low vulnerability (10 of 100).
