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).
More on author: Regan.
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. 熱帶; 20°C - 24°C (Ref. 1672)
South America: lower Paraná River basin; Uruguay River basin; coastal drainages from Rio Grande do Sul to La Plata River.
南美洲: 巴拉納河流域下游; 烏拉圭河流域; 海岸的從 Rio Grande do Sul 到 La Plata 河的流域。
大小 / 重量 / 年齡
Maturity: Lm ? range ? - ? cm
Max length : 4.5 cm SL 雄魚/尚未辨別雌雄; (Ref. 125974)
背的軟條 (總數) : 13 - 14; 臀鰭軟條: 8. Is distinguished by the incompleteness of its lateral line, which never has pores beyond the 11th scale of the lateral series (Ref. 27672).
被藉著它的側線的不完全區別, 從不有孔超過側線列的第 11個鱗片.(參考文獻 27672)
Found in lentic environment.
發現於靜水的環境了。
Life cycle and mating behavior
Maturities | 繁殖 | Spawnings | Egg(s) | Fecundities | 仔魚
Assumed as Characidium fasciatum.南美洲: 巴拉納河流域下游; 烏拉圭河流域; 海岸的從 Rio Grande do Sul 到 La Plata 河的流域。
Cordiviola de Yuan, E. and C. Pignalberi de Hassan, 1985. Fish population in the Paraná River: lentic environments of Diamante and San Pedro areas (Argentine Republic). Hydrobiologia 127:213-218. (Ref. 11229)
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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=0.01230 (0.00651 - 0.02325), b=3.06 (2.90 - 3.22), in cm total length, based on LWR estimates for this species & Genus-body shape (Ref.
93245).
營養階層 (Ref.
69278): 3.4 ±0.3 se; based on size and trophs of closest relatives
Fishing Vulnerability (Ref.
59153): Low vulnerability (10 of 100).
