分類 / 名稱
俗名 | 同種異名 | Catalog of Fishes(屬, 種) | 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.
環境： 環境 / 氣候帶 / 深度上下限 / 配送範圍
生態學
; 淡水 底中水層性; 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。
初熟時的長度 / 大小 / 重量 / 年齡
成熟度: Lm 15.5, range 15 - 16 cm
Max length : 23.8 cm SL 雄魚/尚未辨別雌雄; (Ref. 111115); common length : 14.0 cm TL 雄魚/尚未辨別雌雄; (Ref. 10612); common length :18 cm TL (female); 最大體重: 211.00 g (Ref. 111115)
Body shape (shape guide): fusiform / normal; Cross section: compressed.
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).
在河中生活在砂質底部之上。 通常形成魚群。 主要日行性.(參考文獻 9086) 吃 Moraceae ， Myrtaceae 的果實與種子， Euphorbiaceae; 鞘翅目，直翅類，鱗翅目與 黃體短平口鯰〔Brachyplatystoma flavicans〕 ;(參考文獻 9086) 而且在浮游生物，游泳生物與甲殼動物上.(參考文獻 10615)
生命週期和交配行為
成熟度 | 繁殖 | 產卵場 | 卵 | 孕卵數 | 仔魚
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)
IUCN 瀕危狀態 (Ref. 130435: Version 2025-2 (Global))
無危 (LC) ; Date assessed: 30 November 2020
人類使用
漁業: 自給性漁業; 誘餌: occasionally
工具
特別的報告
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網路資源
基於模型的估計
系統發育多樣性指數 (參考文獻
82804): PD
50 = 0.5000 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.01413 (0.01045 - 0.01910), b=2.91 (2.84 - 2.98), in cm total length, based on LWR estimates for this species (Ref.
93245).
營養階層 (參考文獻
69278): 2.7 ±0.30 se; based on food items.
釣魚的脆弱性 (Ref.
59153): Low vulnerability (19 of 100).
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營養素 (Ref.
124155): Calcium = 129 [39, 297] mg/100g; Iron = 1.45 [0.71, 3.21] mg/100g; Protein = 18 [16, 20] %; Omega3 = 0.4 [0.1, 1.1] g/100g; Selenium = 46.5 [20.9, 99.7] μg/100g; VitaminA = 65.9 [23.0, 160.6] μg/100g; Zinc = 2.4 [1.7, 3.4] mg/100g (wet weight);
