分類 / Names
俗名 | 同種異名 | Catalog of Fishes(屬, 種) | ITIS | CoL | WoRMS | Cloffa
Environment: milieu / climate zone / depth range / distribution range
生態學
; 淡水 大洋性; pH range: 6.0 - 7.0; dH range: ? - 10. 熱帶; 24°C - 28°C (Ref. 1672)
South America: Amazon and Paraguay River basins, north Guiana Shield rivers.
南美洲: 亞馬遜河與巴拉圭河流域 , 北方的圭亞那遮蔽河。
大小 / 重量 / 年齡
Maturity: Lm ?  range ? - ? cm
Max length : 18.0 cm SL 雄魚/尚未辨別雌雄; (Ref. 96599); 最大體重: 0.00 g
Possesses powerful dentition that can cause serious bites.
持有能引起嚴重的咬的有力的牙齒。
Life cycle and mating behavior
成熟度 | 繁殖 | 產卵場 | 卵 | 孕卵數 | 仔魚
Often spawns in schools, preferable near the surface. Does not eat its eggs, which hatch after 3 days.南美洲: 亞馬遜河與巴拉圭河流域 , 北方的圭亞那遮蔽河。
Zarske, A. and J. Géry, 1999. Revision der neotropischen Gattung Metynnis Cope, 1878. 1. Evaluation der Typusexemplare der nominellen Arten (Teleostei: Characiformes: Serrasalmidae). Zool. Abh. Mus. Tierk. Dresden 50(13):169-216. (Ref. 34077)
IUCN 瀕危狀態 (Ref. 130435: Version 2024-1)
無危 (LC) ; Date assessed: 18 December 2020
人類使用
漁業: 低經濟; 水族館: 商業性
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Estimates based on models
Phylogenetic diversity index (Ref.
82804): PD
50 = 0.5001 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.03467 (0.02269 - 0.05300), b=3.06 (2.94 - 3.18), in cm total length, based on LWR estimates for this species & Genus-body shape (Ref.
93245).
營養階層 (Ref.
69278): 3.5 ±0.6 se; based on size and trophs of closest relatives
回復力 (Ref.
120179): 高度, 族群倍增時間少於 15個月 (Preliminary K or Fecundity.).
Fishing Vulnerability (Ref.
59153): Low vulnerability (12 of 100).