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: Pygocentrus: Greek, pyge = rump + Greek, kentron = sting (Ref. 45335).
Issue
The genus allocation is uncertain, it could be in Serrasalmus Lacepède, 1803 according to Nico 2001. Please send references or more studies are needed.
Environment: milieu / climate zone / 深度上下限 / distribution range
生态学
; 淡水 大洋性. 熱帶
分布
国家 | FAO区域 | 生态系 | 标本纪录 | 分布图 | 简介 | Faunafri
South America: widely distributed in the Orinoco River basin lowlands and tributaries.
南美洲: 廣泛分佈於奧里諾科河河流域低地與支流。
Length at first maturity / 大小 / 重量 / 年龄
成熟度: Lm ?, range 13 - ? cm
Max length : 27.9 cm TL 雄鱼/尚未辨别雌雄; (Ref. 39031); 最大体重: 560.00 g (Ref. 6870)
Has powerful dentition that can inflict serious bites (Ref. 4537).
有能施放严重的咬的有力的牙齿。 (参考文献 4537)
Life cycle and mating behavior
成熟度 | 繁殖 | 产卵场 | 卵 | 孕卵数 | 仔鱼
南美洲: 廣泛分佈於奧里諾科河河流域低地與支流。
Fink, W.L., 1993. Revision of the piranha genus Pygocentrus. Copeia 1993(3):665-687. (Ref. 27142)
世界自然保护联盟红皮书 (Ref. 130435: Version 2025-1)
人类利用
游钓鱼种: 是的
工具
特别资料
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网络资源
Estimates based on models
Phylogenetic diversity index (参考文献
82804): PD
50 = 0.5625 [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).
营养阶层 (参考文献
69278): 3.6 ±0.76 se; based on food items.
回复力 (参考文献
120179): 高度, 族群倍增时间少于 15个月 (Preliminary K or Fecundity.).
Fishing Vulnerability (Ref.
59153): Low vulnerability (18 of 100).
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