分類 / Names
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Characiformes (Characins) >
Acestrorhamphidae (American tetras) > Megalamphodinae
Etymology: Megalamphodus: Greek, megas, megalos = great + Greek, amphi = in both sides + Greek, odous = teeth (Ref. 45335).
Eponymy: Kyle Swegles (d: c.1925) was a distributor of tropical fish and owner of the Rainbow Aquarium, Chicago. He collected the type series in the upper Rio Orinoco basin, Colombia. (Ref. 128868), visit book page.
More on author: Géry.
Issue
Taphorn (1992: 239) suggested that H. sweglesi could be a synonym of H. bentosi. However, see Weitzman & Palmer (1997e; 1998: 131).
Environment: milieu / climate zone / 深さの範囲 / distribution range
生態学
; 新鮮な水 底生の漂泳性; pH range: 5.5 - 7.5; dH range: ? - 20. Tropical; 20°C - 23°C (Ref. 1672)
South America: Orinoco River basin.
サイズ / 重さ / 年齢
成熟: Lm ? range ? - ? cm
Max length : 3.2 cm SL オス/雌雄の選別がない; (Ref. 38376)
Feeds on worms, small insects and crustaceans (Ref. 7020). Aquarium keeping: in groups of 5 or more individuals; minimum aquarium size 60 cm (Ref. 51539).
Life cycle and mating behavior
成熟 | 繁殖 | 放精 | 卵 | 生産力 | 幼生
Weitzman, S.H. and L. Palmer, 1997. A new species of Hyphessobrycon (Teleostei: Characidae) from Neblina region of Venezuela and Brazil, with comments on the putative 'rosy tetra clade'. Ichthyol. Explor. Freshwat. 7(3-4):209-242. (Ref. 13676)
IUCNのレッドリストの状況は (Ref. 130435: Version 2025-1)
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 (参照
82804): PD
50 = 0.5002 [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 (参照
69278): 3.2 ±0.37 se; based on food items.
回復力 (参照
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).
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