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) > Hyphessobryconinae
Etymology: Hyphessobrycon: Greek, hyphesson, -on, -on = a little smaller + Greek, bryko = to bite (Ref. 45335); rheophilus: Species epithet from the Greek words ῥέος (rheos),) meaning urrent, rushing stream, and φιλέω (phileo) which means affection, love; in reference to the fast-flowing habitat of the new species; an adjective (Ref. 121599).
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.
分布
領土 | FAO區域 | 生態系 | 發現紀錄 | 分布圖 | 簡介 | Faunafri
South America: Brazil, Venezuela and Colombia.
大小 / 重量 / 年齡
成熟度: Lm ?  range ? - ? cm
Max length : 4.2 cm SL 雄魚/尚未辨別雌雄; (Ref. 121599)
簡短描述
檢索表 | 型態特徵 | 形態測量圖
背的軟條 (總數) : 9; 臀鰭軟條: 16 - 19; 脊椎骨: 33 - 34. This species can be distinguished from its congeners by having an interrupted lateral line, besides a single perforated scale on caudal peduncle and a small dark spots on dorsal procurrent caudal-fin rays (Ref. 121599).
This species is often found near or at rapids with swift water currents and rocky bottoms. It can also be found in clear water, black water and relatively muddy rivers (Ref. 121599).
生命週期和交配行為
成熟度 | 繁殖 | 產卵場 | 卵 | 孕卵數 | 仔魚
Ohara, W.M., T.F. Teixeira, J.G. Albornoz-Garzón, J.M. Mirande and F.C.T. Lima, 2019. Hyphessobrycon rheophilus, a new species from rapids of the Amazon and Orinoco river basins (Characiformes: Characidae: Stethaprioninae). Zootaxa 4712(4):561-575. (Ref. 121599)
IUCN 瀕危狀態 (Ref. 130435: Version 2025-2 (Global))
無危 (LC) ; Date assessed: 16 November 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) |
PD50 = 0.5000 [Uniqueness, from 0.5 = low to 2.0 = high]. |
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Bayesian length-weight
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a=0.00661 (0.00264 - 0.01652), b=3.12 (2.90 - 3.34), 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) |
2.9 ±0.3 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). 🛈 |