分類 / 名前
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Characiformes (Characins) >
Stevardiidae (Stevardiids) > Hemibryconinae
Etymology: Hemibrycon: Greek, hemi = half + Greek, bryko = to bite (Ref. 45335); cairoensis: Named for its type locality, El Cairo in the state of Risaralda, Colombia.
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; pH range: 8.0 - 8.0. Tropical; ? - 20°C (Ref. 83513)
South America: Los Ramirez and Italica Creeks in the Risaralda River system, upper Cauca, Colombia.
サイズ / 重さ / 年齢
成熟: Lm ?  range ? - ? cm
Max length : 8.5 cm SL オス/雌雄の選別がない; (Ref. 83513)
簡単な記述
検索表 | 形態学 | 形態計測学
背鰭 (合計) : 10; 脊つい: 39 - 40. Diagnosed from other members of the genus in possessing nine proximal pterygiophores (including the terminal piece) on dorsal fin. Differs further from Hemibrycon species from the upper and middle Cauca rivers by having 43-46 pored lateral-line scales (Ref. 83513).
Body shape (shape guide): elongated.
Inhabits creeks with brown water and substrate of stone and sand. The creeks are characterized by having 18.3-20.3°C surface temperature, 7.6-9.7 mg/l dissolved oxygen and 104-127% saturation, pH 8, and 2-4 m width (Ref. 83513).
ライフサイクルと交尾行動
成熟 | 繁殖 | 放精 | 卵 | 生産力 | 幼生
Román-Valencia, C. and D.K. Arcila-Mesa, 2009. Two new species of Hemibrycon (Characiformes, Characidae) from the Magdalena River, Colombia. Animal Biodiversity and Conservation 32(2):77-87. (Ref. 83513)
IUCNのレッドリストの状況は (Ref. 130435: Version 2025-2 (Global))
人間の用途
用具
特記事項
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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=0.00776 (0.00321 - 0.01880), b=3.13 (2.92 - 3.34), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref. 93245). |
栄養段階 (参照 69278) |
3.0 ±0.4 se; based on size and trophs of closest relatives |
漁業の脆弱性 (Ref. 59153) |
Low vulnerability (10 of 100). 🛈 |