分类 / Names
俗名 | 同种异名 | Catalog of Fishes(属, 种) | ITIS | CoL | WoRMS | Cloffa
Teleostei >
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
生态学
; 淡水 大洋性; pH range: 6.0 - 7.2; dH range: ? - 10. 熱帶; 20°C - 28°C (Ref. 2059)
South America: Amazon and Paraguay River basins.
南美洲: 亞馬遜河與巴拉圭河流域。
大小 / 重量 / 年龄
Maturity: Lm ?  range ? - ? cm
Max length : 18.0 cm TL 雄鱼/尚未辨别雌雄; (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.
持有能引起严重的咬的有力的牙齿。
Life cycle and mating behavior
成熟度 | 繁殖 | 产卵场 | 卵 | 孕卵数 | 仔鱼
Lays about 150 non-sticky eggs.南美洲: 亞馬遜河與巴拉圭河流域。
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)
人类利用
渔业: 低经济; 水族馆: 商业性
更多信息
年龄范围成长体长-体重体长-体长体长-频率形态测量图型态特徵仔鱼稚鱼动力学入添量丰度BRUVS
合作者照片Stamps, Coins Misc.声音神经毒速度泳型鳃区Otoliths脑重体重比眼睛色素
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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=0.01995 (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).
营养阶层 (Ref.
69278): 2.9 ±0.32 se; based on food items.
回复力 (Ref.
120179): 高度, 族群倍增时间少于 15个月 (Preliminary K or Fecundity.).
Fishing Vulnerability (Ref.
59153): Low vulnerability (10 of 100).
Nutrients (Ref.
124155): Calcium = 195 [88, 504] mg/100g; Iron = 2.78 [1.29, 6.88] mg/100g; Protein = 18.6 [16.4, 20.9] %; Omega3 = 0.469 [0.165, 1.385] g/100g; Selenium = 67.9 [23.8, 199.1] μg/100g; VitaminA = 19.2 [5.6, 67.6] μg/100g; Zinc = 2.12 [1.34, 3.31] mg/100g (wet weight); based on
nutrient studies.