分類 / Names
共通名の | 類義語 | Catalog of Fishes (gen., sp.) | ITIS | CoL | WoRMS | Cloffa
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Characiformes (Characins) >
Serrasalmidae ()
Etymology: Piaractus: Greek, piar = fat, the side with grease of a body + Greek, aktos , ago = to carry.
環境 / 気候 / 範囲
生態学
; 新鮮な水 外洋の; 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 / サイズ / 重さ / 年齢
Maturity: Lm ?, range 52 - ? cm
Max length : 88.0 cm TL オス/雌雄の選別がない; (Ref. 40637); 最大公表体重: 25.0 kg (Ref. 2060); 最大記録サイズ: 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).
Life cycle and mating behavior
成熟 | 繁殖 | 放精 | 卵 | 生産力 | 幼生
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)
CITES (Ref. 94142)
Not Evaluated
Human uses
水産業: 少数商業の; 水産養殖: 商業; 水族館・水槽: 商業
より多くの情報
協力者画像Stamps, Coins音シガテラ(食中毒の名前)速度泳ぐ 型式カマOtoliths脳視覚
用具
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インターネットの情報源
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).
栄養段階 (Ref.
69278): 2.5 ±0.22 se; Based on food items.
回復力 (Ref.
69278): 低い, 4.5年~14年の倍増期間の最小個体群 (tm=7; tmax=28).
弱み (Ref.
59153): High to very high vulnerability (66 of 100) .