分类 / Names
俗名 | 同种异名 | Catalog of Fishes(属, 种) | ITIS | CoL | WoRMS | Cloffa
Teleostei >
Characiformes (Characins) >
Serrasalmidae (Piranhas and pacus) > Serrasalminae
Etymology: Pristobrycon: Greek,pristis = saw + Greek, bryko = to bite (Ref. 45335).
Issue
Species only known from the holotype specimen.
Environment: milieu / climate zone / depth range / distribution range
生态学
; 淡水 底中水层性. 熱帶
South America: Atabapo River in Orinoco river basin, Venezuela.
南美洲: 在奧里諾科河河流域的 Atabapo 河。
大小 / 重量 / 年龄
Maturity: Lm ? range ? - ? cm
Max length : 11.1 cm SL 雄鱼/尚未辨别雌雄; (Ref. 26694)
简单描述
检索表 | 型态特徵 | 形态测量图
背的软条 (总数) : 15; 臀鳍软条: 31; 脊椎骨: 37. Large dark ovate spots on the body side and no preanal spine.
在身体侧边上的大的深色卵形的斑点与没有肛门前的棘。
Life cycle and mating behavior
Maturities | 繁殖 | Spawnings | Egg(s) | Fecundities | 仔鱼
南美洲: 在奧里諾科河河流域的 Atabapo 河。
Fink, W.L. and A. Machado-Allison, 1992. Three new species of piranhas from Brazil and Venezuela (Teleostei: Characiformes). Ichthyol. Explor. Freshwat. 3(1):55-72. (Ref. 26694)
世界自然保护联盟红皮书 (Ref. 130435)
濒危 (EN) (B1ab(iii)+2ab(iii)); Date assessed: 21 October 2020
人类利用
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Estimates based on models
Phylogenetic diversity index (Ref.
82804): PD
50 = 0.5312 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.01778 (0.00841 - 0.03761), b=3.12 (2.94 - 3.30), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref.
93245).
营养阶层 (Ref.
69278): 3.1 ±0.2 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).
