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: Hemigrammus: Greek, hemi = half + Greek, gramma = letter, signal (Ref. 45335).
More on author: Steindachner.
Issue
See Géry (1963) and Planquette et al. (1996: 274-275) for redescription and figures.
Environment: milieu / climate zone / depth range / distribution range
生態學
; 淡水 底中水層性. 熱帶; 23°C - 27°C (Ref. 2059)
South America: Solimões, Negro, and Maroni River basins.
南美洲: Solimoes ，尼格羅河與 Maroni 河流域。
大小 / 重量 / 年齡
Maturity: Lm ? range ? - ? cm
Max length : 3.3 cm SL 雄魚/尚未辨別雌雄; (Ref. 125972); 最大體重: 0.45 g (Ref. 125972)
Occurs in headwaters and also in the lower reaches of rivers. Its food depends on the biotope in which it is found, but it feeds mainly on arthropods. It prefers larvae of aquatic insects like Trichoptera, Chironomidae & Ephemeroptera and ants, which are found on the river vegetation or those which fall into the water (Ref. 12225). Maximum length reported to reach 4 cm TL (Ref. 2059).
出現於河川源頭以及在河的下面範圍方面。 它的食物仰賴生存環境在它被發現, 但是它主要捕食節肢動物。 它偏愛像毛翅目的水生昆蟲幼生, 搖蚊 & 蜉蝣與螞蟻, 那是發現於河植物或者那些那一個掉入水中.(參考文獻 12225) 最大的長度報告達到 4 公分TL 。 (參考文獻 2059)
Life cycle and mating behavior
Maturities | 繁殖 | Spawnings | Egg(s) | Fecundities | 仔魚
南美洲: Solimoes ，尼格羅河與 Maroni 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)
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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=0.01202 (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): 3.2 ±0.40 se; based on food items.
回復力 (Ref.
120179): 高度, 族群倍增時間少於 15個月 (Preliminary K or Fecundity.).
Fishing Vulnerability (Ref.
59153): Low vulnerability (10 of 100).
