Common names from other countries
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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
Sinh thái học
; Nước ngọt Tầng nổi; pH range: 4.8 - 6.8; dH range: ? - 15. Tropical; 23°C - 28°C (Ref. 2060); 23°N - 11°S
South America: Amazon and Orinoco River basins (Ref. 39031). Reported from Argentina (Ref. 9086).
Length at first maturity / Bộ gần gũi / Khối lượng (Trọng lượng) / Age
Maturity: Lm ?, range 52 - ? cm
Max length : 88.0 cm TL con đực/không giới tính; (Ref. 40637); Khối lượng cực đại được công bố: 25.0 kg (Ref. 2060); Tuổi cực đại được báo cáo: 28 các năm (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).
Life cycle and mating behavior
Maturities | Sự tái sinh sản | Spawnings | Egg(s) | Fecundities | Ấu trùng
Assuming standard charicid mode of reproduction. Replace ASAP.
Ortega, H. and R.P. Vari, 1986. Annotated checklist of the freshwater fishes of Peru. Smithson. Contrib. Zool. (437):1-25. (Ref. 6329)
IUCN Red List Status (Ref. 130435)
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