分類 / 名稱
俗名 | 同種異名 | Catalog of Fishes(屬, 種) | ITIS | CoL | WoRMS | Cloffa
Teleostei >
Characiformes (Characins) >
Acestrorhamphidae (American tetras) > Pristellinae
Etymology: Hemigrammus: Greek, hemi = half + Greek, gramma = letter, signal (Ref. 45335).
Eponymy: Dr Marinus Boeseman (1916–2006) was a Dutch ichthyologist, working in the Department of Zoology, Rijksmuseum van Natuurlijke Histoire, Leiden, becoming Curator of Fishes (1947–1981). [...] (Ref. 128868), visit book page.
More on author: Géry.
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: 5.8 - 7.4; dH range: ? - 16. 熱帶; 23°C - 26°C (Ref. 2060)
South America: Maroni, Mana, Iracoubo, Sinnamary, Kourou, Comté, and Kaw rivers, French Guiana; Suriname; upper Amazon in Peru.
南美洲: Maroni , Mana , Iracoubo , Sinnamary , Kourou ,孔德與 Kaw 河, 法屬圭亞那; 蘇利南; 在祕魯的亞馬遜河上游。
大小 / 重量 / 年齡
成熟度: Lm ?  range ? - ? cm
Max length : 3.3 cm SL 雄魚/尚未辨別雌雄; (Ref. 85074)
Little is known of this species. Generally found in the lower reaches of rivers, it is sympatric with other members of the genus like Hemigrammus rodwayi (Ref. 12225). Often found in calm waters and swampy areas (Ref. 27188). Maximum length reported to reach 4 cm SL (Ref. 12225).
這種少為人知。 通常發現於河的下面範圍了, 它重疊分佈本屬的其他成員例如 Hemigrammus rodwayi.(參考文獻 12225) 時常發現於平靜的水域與沼澤的區域。 (參考文獻 27188) 最大的長度報告達到 4 公分 SL 。 (參考文獻 12225)
生命週期和交配行為
成熟度 | 繁殖 | 產卵場 | 卵 | 孕卵數 | 仔魚
南美洲: Maroni , Mana , Iracoubo , Sinnamary , Kourou ,孔德與 Kaw 河, 法屬圭亞那; 蘇利南; 在祕魯的亞馬遜河上游。
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: 20 December 2020
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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=0.00575 (0.00224 - 0.01478), b=3.16 (2.94 - 3.38), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref.
93245).
營養階層 (參考文獻
69278): 3.2 ±0.4 se; based on size and trophs of closest relatives
回復力 (參考文獻
120179): 高度, 族群倍增時間少於 15個月 (Preliminary K or Fecundity.).
釣魚的脆弱性 (Ref.
59153): Low vulnerability (10 of 100).
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