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) > Colossomatinae
Etymology: Piaractus: Greek, piar = fat, the side with grease of a body + Greek, aktos , ago = to carry.
More on author: Cuvier.
Issue
See Loubens & Panfili (2001:51) for growth biology.
Environment: milieu / climate zone / depth range / distribution range
生态学
; 淡水 大洋性; pH range: 4.8 - 6.8; dH range: ? - 15. 熱帶; 23°C - 28°C (Ref. 2060); 23°N - 11°S
South America: Amazon and Orinoco River basins (Ref. 39031). Reported from Argentina (Ref. 9086).
南美洲: 亞馬遜河與奧里諾科河河流域。
Length at first maturity / 大小 / 重量 / 年龄
Maturity: Lm ?, range 52 - ? cm
Max length : 88.0 cm TL 雄鱼/尚未辨别雌雄; (Ref. 40637); 最大体重: 25.0 kg (Ref. 2060); 最大年龄: 28 年 (Ref. 39139)
Juveniles mimic Serrasalmus nattereri. Feeds on insects and decaying plants (Ref. 32894). Possesses powerful dentition that can cause serious bites (Ref. 4537). An important foodfish (Ref. 12202).
稚鱼拟态 Serrasalmus nattereri 。 持有能引起严重的咬有力的牙齿.(参考文献 4537) 一个重要的食用鱼.(参考文献 12202) 吃昆虫而且腐败植物.(参考文献 32894)
Life cycle and mating behavior
成熟度 | 繁殖 | 产卵场 | 卵 | 孕卵数 | 仔鱼
Assuming standard charicid mode of reproduction. Replace ASAP.南美洲: 亞馬遜河與奧里諾科河河流域。
Ortega, H. and R.P. Vari, 1986. Annotated checklist of the freshwater fishes of Peru. Smithson. Contrib. Zool. (437):1-25. (Ref. 6329)
世界自然保护联盟红皮书 (Ref. 130435: Version 2024-1)
人类利用
渔业: 低经济; 养殖: 商业性; 游钓鱼种: 是的; 水族馆: 商业性
工具
特别资料
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网络资源
Estimates based on models
Phylogenetic diversity index (Ref.
82804): PD
50 = 0.7500 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.03090 (0.02263 - 0.04219), b=3.00 (2.91 - 3.09), in cm total length, based on LWR estimates for this species (Ref.
93245).
营养阶层 (Ref.
69278): 2.5 ±0.22 se; based on food items.
回复力 (Ref.
120179): 低的, 最小族群倍增时间4.5 - 14 年 (tm=7; tmax=28).
Fishing Vulnerability (Ref.
59153): High vulnerability (55 of 100).
Nutrients (Ref.
124155): Calcium = 51 [19, 129] mg/100g; Iron = 1.42 [0.63, 3.27] mg/100g; Protein = 18.3 [16.2, 20.6] %; Omega3 = 0.314 [0.107, 0.926] g/100g; Selenium = 79 [26, 194] μg/100g; VitaminA = 17.7 [4.5, 71.6] μg/100g; Zinc = 1.59 [1.02, 2.56] mg/100g (wet weight);
