分類 / Names
俗名 | 同種異名 | Catalog of Fishes(屬, 種) | 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 / 深度上下限 / distribution range
生態學
; 淡水 底中水層性. 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 / 年齡
成熟度: Lm ? range ? - ? cm
Max length : 11.1 cm SL 雄魚/尚未辨別雌雄; (Ref. 26694)
簡短描述
檢索表 | 型態特徵 | 形態測量圖
背的軟條 (總數) : 15; 臀鰭軟條: 31; 脊椎骨: 37. Large dark ovate spots on the body side and no preanal spine.
Body shape (shape guide): short and / or deep.
在身體側邊上的大的深色卵形的斑點與沒有肛門前的棘。
Life cycle and mating behavior
成熟度 | 繁殖 | 產卵場 | 卵 | 孕卵數 | 仔魚
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)
IUCN 瀕危狀態 (Ref. 130435: Version 2025-1)
瀕危 (EN) (B1ab(iii)+2ab(iii)); Date assessed: 21 October 2020
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Estimates based on models
Phylogenetic diversity index (參考文獻
82804): PD
50 = 0.5312 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.01820 (0.00864 - 0.03832), b=3.12 (2.95 - 3.29), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref.
93245).
營養階層 (參考文獻
69278): 3.1 ±0.2 se; based on size and trophs of closest relatives
回復力 (參考文獻
120179): 高度, 族群倍增時間少於 15個月 (Preliminary K or Fecundity.).
Fishing Vulnerability (Ref.
59153): Low vulnerability (10 of 100).
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