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Teleostei >
Characiformes (Characins) >
Characidae (Characins; tetras) > Stethaprioninae
Etymology: Oligosarcus: Greek, oligos = small + Greek arkos = anus (Ref. 45335).
More on authors: Menezes & Géry.
Issue
See Menezes, 1987: 27 for diagnosis.
Environment: milieu / climate zone / depth range / distribution range
生态学
; 淡水 底中水层性. 高海拔
South America: Chapare River basin and lagoons near Cochabamba, Bolivia.
南美洲: 在 Cochabamba ,玻利維亞附近的 Chapare 河流域與潟湖。
大小 / 重量 / 年龄
Maturity: Lm ?  range ? - ? cm
Max length : 8.2 cm SL 雄鱼/尚未辨别雌雄; (Ref. 35690); 7.3 cm SL (female)
Life cycle and mating behavior
Maturities | 繁殖 | Spawnings | Egg(s) | Fecundities | 仔鱼
南美洲: 在 Cochabamba ,玻利維亞附近的 Chapare 河流域與潟湖。
Oyakawa, O.T., 1998. Catalogo dos tipos de peixes recentes do Museu de Zoologia da USP. I. Characiformes (Teleostei: Ostariophysi). Pap. Avuls. Zool. 39(23):443-507. (Ref. 27925)
世界自然保护联盟红皮书 (Ref. 130435)
濒危 (EN) (B1ab(iii,v)); Date assessed: 22 April 2014
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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=0.01000 (0.00244 - 0.04107), b=3.04 (2.81 - 3.27), in cm total length, based on all LWR estimates for this body shape (Ref.
93245).
营养阶层 (Ref.
69278): 3.7 ±0.6 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).