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) > Serrasalminae
Etymology: Serrasalmus: Latin, serran, serranus, saw and a fish of genus Serranus + Latin, salmo = salmon (Ref. 45335).
More on author: Kner.
Issue
See Jégu & Santos (2001:133) for detailed morphology and distribution.
Environment: milieu / climate zone / 深度上下限 / distribution range
生態學
; 淡水 底中水層性; pH range: 5.0 - 7.0; dH range: ? - 18. 熱帶; 23°C - 28°C (Ref. 1672); 1°N - 15°S
South America: Guaporé River basin (Ref. 39031). Reported from the Paraná River basin, Argentina (Ref. 5630).
南美洲: Guapore 河到阿根廷流域.(參考文獻 9086)
Length at first maturity / 大小 / 重量 / 年齡
成熟度: Lm ?, range 18 - ? cm
Max length : 26.0 cm TL 雄魚/尚未辨別雌雄; (Ref. 94838); common length : 25.0 cm SL 雄魚/尚未辨別雌雄; (Ref. 56003)
背的軟條 (總數) : 15 - 16; 臀鰭軟條: 31 - 35; 脊椎骨: 35.
Body shape (shape guide): short and / or deep; Cross section: compressed.
Life cycle and mating behavior
成熟度 | 繁殖 | 產卵場 | 卵 | 孕卵數 | 仔魚
南美洲: Guapore 河到阿根廷流域.(參考文獻 9086)
Jégu, M., 2003. Serrasalminae (Pacus and piranhas). p. 182-196. In R.E. Reis, S.O. Kullander and C.J. Ferraris, Jr. (eds.) Checklist of the Freshwater Fishes of South and Central America. Porto Alegre: EDIPUCRS, Brasil. (Ref. 39031)
IUCN 瀕危狀態 (Ref. 130435: Version 2025-1)
無危 (LC) ; Date assessed: 22 December 2020
人類使用
漁業: 低經濟; 水族館: 商業性
工具
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Estimates based on models
Phylogenetic diversity index (參考文獻
82804): PD
50 = 0.5000 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.01549 (0.01002 - 0.02394), b=3.19 (3.06 - 3.32), in cm total length, based on LWR estimates for this species & Genus-body shape (Ref.
93245).
營養階層 (參考文獻
69278): 3.2 ±0.41 se; based on food items.
回復力 (參考文獻
120179): 高度, 族群倍增時間少於 15個月 (Preliminary K or Fecundity.).
Fishing Vulnerability (Ref.
59153): Low vulnerability (16 of 100).
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