Common names from other countries
分类 / Names
俗名 | 同种异名 | Catalog of Fishes(属, 种) | ITIS | CoL | WoRMS | Cloffa
Teleostei >
Characiformes (Characins) >
Triportheidae (Hatchet characins) > Triportheinae
Etymology: Triportheus: Greek, tres tria = three + Greek, portheo = to sack (Ref. 45335).
More on authors: Spix & Agassiz.
Environment: milieu / climate zone / depth range / distribution range
生态学
; 淡水 底中水层性; pH range: 5.0 - 9.0; 河川洄游 (Ref. 51243); 深度上下限 0 - 5 m (Ref. 10615). 熱帶; 22°C - 30°C (Ref. 9110); 1°N - 8°S
South America: Amazon River basin.
南美洲: 亞馬遜河流域。
Length at first maturity / 大小 / 重量 / 年龄
Maturity: Lm 15.5, range 15 - 16 cm
Max length : 23.8 cm SL 雄鱼/尚未辨别雌雄; (Ref. 111115); common length : 14.0 cm TL 雄鱼/尚未辨别雌雄; (Ref. 10612); common length :18 cm TL (female); 最大体重: 211.00 g (Ref. 111115)
Occurs over sandy bottoms in rivers. Usually forms schools. Mainly diurnal (Ref. 9086). Feeds on the fruits and seeds of Moraceae, Myrtaceae, Euphorbiaceae; Coleoptera, Orthoptera, Lepidoptera, and Brachyplatystoma flavicans (Ref. 9086); and on plankton, nekton, and crustaceans (Ref. 10615).
在河中生活在砂质底部之上。 通常形成鱼群。 主要日行性.(参考文献 9086) 吃 Moraceae , Myrtaceae 的果实与种子, Euphorbiaceae; 鞘翅目,直翅类,鳞翅目与 黄体短平口鲶[Brachyplatystoma flavicans] ;(参考文献 9086) 而且在浮游生物,游泳生物与甲壳动物上.(参考文献 10615)
Life cycle and mating behavior
成熟度 | 繁殖 | 产卵场 | 卵 | 孕卵数 | 仔鱼
Males and females spawn in groups; often two or more males curled around one female (Ref. 10612).南美洲: 亞馬遜河流域。
Lima, F.C.T., L.R. Malabarba, P.A. Buckup, J.F. Pezzi da Silva, R.P. Vari, A. Harold, R. Benine, O.T. Oyakawa, C.S. Pavanelli, N.A. Menezes, C.A.S. Lucena, M.C.S.L. Malabarba, Z.M.S. Lucena, R.E. Reis, F. Langeani, C. Moreira et al. …, 2003. Genera Incertae Sedis in Characidae. p. 106-168. 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. 38376)
世界自然保护联盟红皮书 (Ref. 130435: Version 2024-2)
CITES (Ref. 131153)
Not Evaluated
人类利用
渔业: 自给性渔业; 诱饵: occasionally
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Estimates based on models
Phylogenetic diversity index (Ref.
82804): PD
50 = 0.5000 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.01413 (0.01043 - 0.01913), b=2.91 (2.84 - 2.98), in cm Total Length, based on LWR estimates for this species (Ref.
93245).
营养阶层 (Ref.
69278): 2.7 ±0.30 se; based on food items.
Fishing Vulnerability (Ref.
59153): Low vulnerability (19 of 100).