分類 / Names
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.
Environment: milieu / climate zone / depth range / distribution range
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). 22°C - 30°C (Ref. 9110); 1°N - 8°S
South America: Amazon River basin.
Length at first maturity / 大小 / 重量 / 年齡
Maturity: 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)
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)
Life cycle and mating behavior
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).
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)
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