分類 / Names
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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 / 深さの範囲 / distribution range
生態学
; 新鮮な水 外洋の. Tropical
South America: widely distributed in the Orinoco River basin lowlands and tributaries.
Length at first maturity / サイズ / 重さ / 年齢
成熟: Lm ?, range 13 - ? cm
Max length : 27.9 cm TL オス/雌雄の選別がない; (Ref. 39031); 最大公表体重: 560.00 g (Ref. 6870)
Has powerful dentition that can inflict serious bites (Ref. 4537).
Life cycle and mating behavior
成熟 | 繁殖 | 放精 | 卵 | 生産力 | 幼生
Fink, W.L., 1993. Revision of the piranha genus Pygocentrus. Copeia 1993(3):665-687. (Ref. 27142)
IUCNのレッドリストの状況は (Ref. 130435: Version 2025-1)
Human uses
ゲームフィッシュ: はい
用具
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インターネットの情報源
Estimates based on models
Phylogenetic diversity index (参照
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).
栄養段階 (参照
69278): 3.6 ±0.76 se; based on food items.
回復力 (参照
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): Low vulnerability (18 of 100).
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