分類 / Names
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Characiformes (Characins) >
Characidae (Characins; tetras) > Stethaprioninae
Etymology: Hemigrammus: Greek, hemi = half + Greek, gramma = letter, signal (Ref. 45335).
Eponymy: Albert Brennus Ulrey (1860–1932) was an American naturalist and marine biologist who was awarded both a bachelor’s degree (1892) and a master’s (1894) by Indiana University and was on the University staff as an instructor in zoology (1892–1894). [...] (Ref. 128868), visit book page.
More on author: Boulenger.
Issue
Ornamental species.
Environment: milieu / climate zone / depth range / distribution range
生態学
; 新鮮な水 底生の漂泳性; pH range: 5.8 - 7.2; dH range: ? - 10. Tropical; 23°C - 27°C (Ref. 1672)
South America: Paraguay River basin.
サイズ / 重さ / 年齢
Maturity: Lm ?  range ? - ? cm
Max length : 4.4 cm TL オス/雌雄の選別がない; (Ref. 38376)
Maximum length questionable (Ref. 38376). Maximum length reported to reach 5 cm TL (Ref. 1672).
Life cycle and mating behavior
成熟 | 繁殖 | 放精 | 卵 | 生産力 | 幼生
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のレッドリストの状況は (Ref. 130435: Version 2024-1)
Human uses
水産業: 商業; 水族館・水槽: 商業
用具
特記事項
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インターネットの情報源
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=0.01445 (0.00683 - 0.03057), b=3.08 (2.90 - 3.26), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref.
93245).
栄養段階 (Ref.
69278): 3.0 ±0.4 se; based on size and trophs of closest relatives
回復力 (Ref.
120179): 高い, 15か月以下の倍増期間の最小個体群 (Preliminary K or Fecundity.).
Fishing Vulnerability (Ref.
59153): Low vulnerability (10 of 100).