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Characiformes (Characins) >
Acestrorhamphidae (American tetras) > Hyphessobryconinae
Etymology: Hyphessobrycon: Greek, hyphesson, -on, -on = a little smaller + Greek, bryko = to bite (Ref. 45335); loweae: Named for Rosemary Lowe McConnell who collected the first specimens during the RS/RGS Expedition to Mato Grosso in 1968.
Eponymy: Dr Rosemary Helen Lowe-McConnell (1921–2014) was a British biologist and a pioneer in the study of tropical fish ecology. [...] (Ref. 128868), visit book page.
More on authors: Costa & Géry.
Taxonomic Remarks
See Weitzman & Palmer (1997a: 236) for taxonomical remarks.
環境:環境 / 気候帯 / 深さの範囲 / 分布範囲
生態学
; 新鮮な水 底生の漂泳性; 深さの範囲 1 - 2 m (Ref. 72430). Tropical; 25°C - 28°C (Ref. 13614)
South America: Upper Xingu 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)
背鰭 (合計) : 19 - 20; 臀鰭: 22 - 23; 脊つい: 34 - 35. This species is differentiated from its congeners in having the following characters: elongated dorsal fins in males; caudal spot diamond-shaped; humeral spot vertically elongated; maxillary teeth hexacuspidate; anal fin rays 22-23; lateral line scales 30-31 (Ref. 72430).
Inhabits shallow, clear water stream located in the Cerrado region; sandy bottom with small rocks and sparse aquatic vegetation (Ref. 72430).
ライフサイクルと交尾行動
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 2025-2 (Global))
人間の用途
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インターネットの情報源
モデルに基づく推定値
系統多様性指数 (参照 82804) |
PD50 = 0.5000 [Uniqueness, from 0.5 = low to 2.0 = high]. |
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Bayesian length-weight
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a=0.01995 (0.00906 - 0.04395), b=3.01 (2.83 - 3.19), in cm total length, based on all LWR estimates for this body shape (Ref. 93245). |
栄養段階 (参照 69278) |
2.9 ±0.3 se; based on size and trophs of closest relatives |
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.). |
漁業の脆弱性 (Ref. 59153) |
Low vulnerability (10 of 100). 🛈 |