Actinopterígios (peces con aletas radiadas) >
Characiformes (Characins) >
Serrasalmidae ()
Etymology: Piaractus: Greek, piar = fat, the side with grease of a body + Greek, aktos , ago = to carry.
Medioambiente / Clima / Gama
Ecología
; agua dulce pelágico; pH range: 4.8 - 6.8; dH range: ? - 15. Tropical; 23°C - 28°C (Ref. 2060), preferred ?; 23°N - 11°S
South America: Amazon and Orinoco River basins (Ref. 39031). Reported from Argentina (Ref. 9086).
Length at first maturity / Tamaño / Peso / Age
Maturity: Lm ?, range 52 - ? cm
Max length : 88.0 cm TL macho / no sexado; (Ref. 40637); peso máximo publicado: 25.0 kg (Ref. 2060); edad máxima reportada: 28 años (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
Madurez | Reproducción | Puesta | Huevos | Fecundidad | 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)
IUCN Red List Status (Ref. 115185)
CITES (Ref. 94142)
Not Evaluated
Threat to humans
Traumatogenic
Human uses
Pesquerías: escaso valor comercial; Acuicultura: comercial; Acuario: Comercial
Más información
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Herramientas
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Fuentes de Internet
Estimates of some properties based on models
Phylogenetic diversity index (Ref.
82805): PD
50 = 0.7500 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.01738 (0.01011 - 0.02987), b=3.11 (2.96 - 3.26), in cm Total Length, based on LWR estimates for this species & (Sub)family-body (Ref.
93245).
Nivel trófico (Ref.
69278): 2.5 ±0.22 se; Based on food items.
Resiliencia (Ref.
69278): Bajo, población duplicada en un tiempo mínimo de 4.5-14 años (tm=7; tmax=28).
Vulnerability (Ref.
59153): High to very high vulnerability (66 of 100) .