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Teleostei >
Characiformes (Characins) >
Characidae (Characins; tetras) > Stevardiinae
Etymology: Creagrutus: Greek, kreagreytos, -os, -on = to tear, to rip up the flesh (Ref. 45335).
More on authors: Vari & Harold.
Issue
See Vari & Harold (2001:128) for detailed description.
Environment: milieu / climate zone / depth range / distribution range
生态学
; 淡水 底中水层性. 熱帶
South America: Aroa and Yaracuy River basins, Caribbean versant drainages of north central Venezuela.
南美洲: Aroa 與 Yaracuy 河流域, 北方中央的委內瑞拉的加勒比海山的斜坡流域。
大小 / 重量 / 年龄
Maturity: Lm ?  range ? - ? cm
Max length : 7.5 cm SL 雄鱼/尚未辨别雌雄; (Ref. 35140)
Life cycle and mating behavior
Maturities | 繁殖 | Spawnings | Egg(s) | Fecundities | 仔鱼
南美洲: Aroa 與 Yaracuy 河流域, 北方中央的委內瑞拉的加勒比海山的斜坡流域。
Vari, R.P. and A.S. Harold, 2001. Phylogenetic study of the Neotropical fish genera Creagrutus Günther and Piabina Reinhardt (Teleostei: Ostariophysi: Characiformes), with a revision of the Cis-Andean species. Smith. Cont. Zool. 613:1-239. (Ref. 35140)
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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=0.01738 (0.00899 - 0.03359), b=2.98 (2.81 - 3.15), in cm total length, based on LWR estimates for this species & (Sub)family-body (Ref.
93245).
营养阶层 (Ref.
69278): 2.3 ±0.1 se; based on size and trophs of closest relatives
回复力 (Ref.
120179): 高度, 族群倍增时间少于 15个月 (Preliminary K or Fecundity.).
Fishing Vulnerability (Ref.
59153): Low vulnerability (10 of 100).