分類 / Names
俗名 | 同種異名 | Catalog of Fishes(屬, 種) | ITIS | CoL | WoRMS | Cloffa
Teleostei >
Characiformes (Characins)
脂鯉目 (Characins) >
Characidae (Characins; tetras)
脂鯉科 (Characins; tetras) > Stethaprioninae
Etymology: Paracheirodon: Greek, para = the side of + Greek, cheir = hand + Greek, odous = teeth (Ref. 45335).
More on author: Schultz.
Environment: milieu / climate zone / depth range / distribution range
生態學
; 淡水 大洋性; pH range: 4.0 - 6.0; dH range: 5 - 12; 非遷移的. 熱帶; 23°C - 27°C (Ref. 1672)
South America: Upper Orinoco and Negro River basins.
南美洲: 奧里諾科河上游與尼格羅河流域。
大小 / 重量 / 年齡
Maturity: Lm ? range ? - ? cm
Max length : 2.5 cm SL 雄魚/尚未辨別雌雄; (Ref. 38376)
Occurs mainly in shoals in the middle water layers. Feeds on worms and small crustaceans (Ref. 7020). Breeding in captivity is possible but difficult and most specimens in the aquarium trade are caught in the tributaries of the Rio Negro and Orinoco. Eggs hatch in 24 to 30 hours and fry are free-swimming after 3 to 4 days in captivity (Ref. 7020). One of the most popular and beautiful aquarium fishes. Aquarium keeping: in groups of 5 or more individuals; minimum aquarium size 60 cm (Ref. 51539).
在中央的水層中主要生活在淺灘。 吃蠕蟲與小型甲殼動物。 (參考文獻 7020) 繁殖在繁殖場是可能的，但是在水族貿易的困難而大多數的標本被在尼格羅河的支流與奧里諾科河捕獲。 卵在 24 到 30 小時中孵化，而且在 3 到 4 天之後在繁殖場，魚苗是游離於水中。 (參考文獻 7020) 最受歡迎而美麗觀賞魚之一。 水族館保持: 形成 5個或更多個體的群體; 水族館最小體型 60 公分.(參考文獻 51539)
Life cycle and mating behavior
成熟度 | 繁殖 | 產卵場 | 卵 | 孕卵數 | 仔魚
南美洲: 奧里諾科河上游與尼格羅河流域。
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)
人類使用
漁業: 沒有興趣; 水族館: 高經濟性
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Estimates based on models
Phylogenetic diversity index (Ref.
82804): PD
50 = 0.6250 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.01202 (0.00548 - 0.02637), b=3.08 (2.90 - 3.26), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref.
93245).
營養階層 (Ref.
69278): 3.3 ±0.39 se; based on food items.
回復力 (Ref.
120179): 高度, 族群倍增時間少於 15個月 (tm<1).
Fishing Vulnerability (Ref.
59153): Low vulnerability (10 of 100).
