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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.
Taxonomic Remarks
See Loubens & Panfili (2001:51) for growth biology.
Lingkungan: lingkungan / zona iklim / kisaran kedalaman / jangkauan distribusi
Ekologi
; air tawar pelagis, permukaan; pH range: 4.8 - 6.8; dH range: ? - 15; potamodromous (Ref. 126106). 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).
Panjang pada saat jatuh tempo pertama / Ukuran / Berat / umur
Kematangan: Lm ?, range 52 - ? cm
Max length : 88.0 cm TL jantan/; (Ref. 40637); Berat maksimum terpublikasi: 25.0 kg (Ref. 2060); Umur maksimum dilaporkan: 28 Tahun (Ref. 39139)
Juveniles mimic Serrasalmus nattereri. Adults feed on insects and decaying plants (Ref. 32894). They possess powerful dentition that can cause serious bites (Ref. 4537). An important foodfish (Ref. 12202).
Siklus hidup dan perilaku kawin
Kematangan | Reproduksi, perkembang biakan | Pemijahan | telur-telur | Fekunditas | Larva
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)
Status IUCN Red List (Ref. 130435: Version 2025-2 (Global))
ancaman kepada manusia
Traumatogenic
penggunaan manusia
Perikanan: nilai komersial kecil; Budidaya air: komersial; Ikan buruan: ya; Akuarium: Komersial
Alat, peralatan
laporan khas
muat turun XML
Sumber internet
Estimasi berdasarkan model
Indeks keanekaragaman filogenetik (Acuan
82804): PD
50 = 0.6250 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.03162 (0.02323 - 0.04304), b=2.99 (2.90 - 3.08), in cm total length, based on LWR estimates for this species (Ref.
93245).
Tingkat Trofik (Acuan
69278): 2.5 ±0.22 se; based on food items.
Daya lenting (Acuan
120179): Rendah, Waktu penggandaan populasi minimum 4.5 - 14 tahun (tm=7; tmax=28).
Kerentanan Penangkapan Ikan (Ref.
59153): High vulnerability (55 of 100).
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Nutrisi (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);