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) > Colossomatinae
Etymology: Piaractus: Greek, piar = fat, the side with grease of a body + Greek, aktos , ago = to carry.
More on author: Cuvier.
Environment: milieu / climate zone / depth range / distribution range
生態學
; 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到阿根廷流域.(參考文獻 9086)
Length at first maturity / 大小 / 重量 / 年齡
Maturity: Lm ?, range 52 - ? cm
Max length : 88.0 cm TL 雄魚/尚未辨別雌雄; (Ref. 40637); 最大體重: 25.0 kg (Ref. 2060); 最大年齡: 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).
稚魚擬態 Serrasalmus nattereri 。 持有能引起嚴重的咬有力的牙齒.(參考文獻 4537) 一個重要的食用魚.(參考文獻 12202) 吃昆蟲而且腐敗植物.(參考文獻 32894)
Life cycle and mating behavior
成熟度 | 繁殖 | 產卵場 | 卵 | 孕卵數 | 仔魚
Assuming standard charicid mode of reproduction. Replace ASAP.南美洲: 亞馬遜河與奧里諾科河到阿根廷流域.(參考文獻 9086)
Ortega, H. and R.P. Vari, 1986. Annotated checklist of the freshwater fishes of Peru. Smithson. Contrib. Zool. (437):1-25. (Ref. 6329)
IUCN 瀕危狀態 (Ref. 130435)
無危 (LC) ; Date assessed: 21 December 2020
人類使用
漁業: 低經濟; 養殖: 商業性; 水族館: 商業性
更多資訊
參考文獻養殖養殖資訊品種遺傳學Electrophoreses遺傳率疾病加工NutrientsMass conversion
合作者照片Stamps, Coins Misc.聲音神經毒速度泳型鰓區Otoliths腦重體重比眼睛色素
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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=0.03162 (0.02336 - 0.04281), b=2.99 (2.90 - 3.08), in cm total length, based on LWR estimates for this species (Ref.
93245).
營養階層 (Ref.
69278): 2.5 ±0.22 se; based on food items.
回復力 (Ref.
120179): 低的, 最小族群倍增時間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);
