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: Pygocentrus: Greek, pyge = rump + Greek, kentron = sting (Ref. 45335).
More on author: Cuvier.
Issue
See Fink (1993) for detailed description.
Environment: milieu / climate zone / depth range / distribution range
生態學
; 淡水 大洋性. 熱帶
South America: Sao Francisco River basin in Brazil.
南美洲: Sao 弗朗西斯科河流域。
大小 / 重量 / 年齡
Maturity: Lm ? range ? - ? cm
Max length : 38.0 cm SL 雄魚/尚未辨別雌雄; (Ref. 130067); 最大體重: 3.2 kg (Ref. 40637)
Dangerous, import prohibited in some countries. Largest of the piranhas.
危險的, 進口在一些國家中禁止。 大的食人魚。
Life cycle and mating behavior
Maturities | 繁殖 | Spawnings | Egg(s) | Fecundities | 仔魚
南美洲: Sao 弗朗西斯科河流域。
Fink, W.L., 1993. Revision of the piranha genus Pygocentrus. Copeia 1993(3):665-687. (Ref. 27142)
IUCN 瀕危狀態 (Ref. 130435)
無危 (LC) ; Date assessed: 07 November 2018
人類使用
漁業: 商業性; 游釣魚種: 是的; 水族館: 公眾的水族館
工具
特別的報告
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網路資源
Estimates based on models
Phylogenetic diversity index (Ref.
82804): PD
50 = 0.5625 [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).
營養階層 (Ref.
69278): 3.7 ±0.7 se; based on size and trophs of closest relatives
回復力 (Ref.
120179): 高度, 族群倍增時間少於 15個月 (Preliminary K or Fecundity.).
Fishing Vulnerability (Ref.
59153): Moderate vulnerability (36 of 100).
