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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
生態学
; 新鮮な水 外洋の. Tropical
South America: Sao Francisco River basin in Brazil.
サイズ / 重さ / 年齢
Maturity: Lm ?  range ? - ? cm
Max length : 38.0 cm SL オス/雌雄の選別がない; (Ref. 130067); 最大公表体重: 3.2 kg (Ref. 40637)
Dangerous, import prohibited in some countries. Largest of the piranhas.
Life cycle and mating behavior
Maturities | 繁殖 | Spawnings | Egg(s) | Fecundities | 幼生
Fink, W.L., 1993. Revision of the piranha genus Pygocentrus. Copeia 1993(3):665-687. (Ref. 27142)
Human uses
水産業: 商業; ゲームフィッシュ: はい; 水族館・水槽: 公共の水族館
用具
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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).
栄養段階 (Ref.
69278): 3.7 ±0.7 se; based on size and trophs of closest relatives
回復力 (Ref.
120179): 高い, 15か月以下の倍増期間の最小個体群 (Preliminary K or Fecundity.).
Fishing Vulnerability (Ref.
59153): Moderate vulnerability (36 of 100).