分類 / Names
俗名 | 同種異名 | Catalog of Fishes(屬, 種) | ITIS | CoL | WoRMS | Cloffa
Teleostei >
Characiformes (Characins) >
Crenuchidae (South American darters) > Characidiinae
Etymology: Characidium: Diminutive of Charax, -akos = a fish without identification (Ref. 45335).
Environment: milieu / climate zone / depth range / distribution range
生態學
; 淡水 底中水層性; pH range: 5.6 - 7.5; dH range: ? - 25. 亞熱帶的; 18°C - 24°C (Ref. 1672)
South America: São Francisco and upper Paraná River drainages in Brazil.
南美洲: Sao 弗朗西斯科河流域， Paranaiba 的 Das Velhas 河, 大與巴拉納河流域上游的 Tiete 河。
大小 / 重量 / 年齡
Maturity: Lm ? range ? - ? cm
Max length : 6.9 cm SL 雄魚/尚未辨別雌雄; (Ref. 130067); 最大體重: 5.60 g (Ref. 130067)
Found in lentic environment (Ref. 11229).
發現於靜水的環境了。 (參考文獻 11229)
Life cycle and mating behavior
Maturities | 繁殖 | Spawnings | Egg(s) | Fecundities | 仔魚
南美洲: Sao 弗朗西斯科河流域， Paranaiba 的 Das Velhas 河, 大與巴拉納河流域上游的 Tiete 河。
Casatti, L. and R.M.C. Castro, 1998. A fish community of the São Francisco River headwaters riffles, southeastern Brazil. Ichthyol. Explor. Freshwat. 9(3):229-242. (Ref. 27701)
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 = 0.5000 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.01023 (0.00434 - 0.02412), b=3.05 (2.86 - 3.24), in cm total length, based on LWR estimates for this Genus-body shape (Ref.
93245).
營養階層 (Ref.
69278): 2.9 ±0.41 se; based on food items.
Fishing Vulnerability (Ref.
59153): Low vulnerability (10 of 100).
