Common names from other countries
分類 / Names
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Characiformes (Characins) >
Serrasalmidae (Piranhas and pacus) > Serrasalminae
Etymology: Metynnis: Greek, meta = with, after + Greek, ynnis, -eos = ploughshare (Ref. 45335).
More on author: Kner.
Environment: milieu / climate zone / depth range / distribution range
生態学
; 新鮮な水 外洋の; pH range: 6.0 - 7.2; dH range: ? - 10. Tropical; 20°C - 28°C (Ref. 2059)
South America: Amazon and Paraguay River basins.
サイズ / 重さ / 年齢
Maturity: Lm ?  range ? - ? cm
Max length : 18.0 cm TL オス/雌雄の選別がない; (Ref. 39031)
This fish feeds on fruits and plants, and in extreme conditions or in captivity, may go for fish, crustaceans or maybe meat, but still are not considered dangerous.
Life cycle and mating behavior
Maturities | 繁殖 | Spawnings | Egg(s) | Fecundities | 幼生
Lays about 150 non-sticky eggs.
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)
CITES (Ref. 128078)
Not Evaluated
Human uses
水産業: 少数商業の; 水族館・水槽: 商業
用具
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インターネットの情報源
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=0.01995 (0.01187 - 0.03353), b=3.08 (2.94 - 3.22), in cm Total Length, based on LWR estimates for this species & Genus-body shape (Ref.
93245).
栄養段階 (Ref.
69278): 2.9 ±0.32 se; based on food items.
回復力 (Ref.
120179): 高い, 15か月以下の倍増期間の最小個体群 (Preliminary K or Fecundity.).
Fishing Vulnerability (Ref.
59153): Low vulnerability (10 of 100).