分類 / 名稱
俗名 | 同種異名 | Catalog of Fishes(屬, 種) | ITIS | CoL | WoRMS | Cloffa
Teleostei >
Siluriformes (Catfishes)
鯰形目 (Catfishes) >
Pseudopimelodidae (Bumblebee catfishes, dwarf marbled catfishes)
擬長鬚鯰科 (Bumblebee catfishes, dwarf marbled catfishes) > Pseudopimelodinae
Etymology: Rhyacoglanis: From the Greek words 'rhyax' (torrent) and 'glanis' (catfish), indicating a catfish inhabiting running waters in reference to its habitat (Ref. 128485); annulatus: Species name is a Latin adjective meaning ringed, in reference to the caudal-peduncle band with a light inner region (Ref. 128485).
環境: 環境 / 氣候帶 / 深度上下限 / 配送範圍
生態學
; 淡水 居於水底的.
分布
領土 | FAO區域 | 生態系 | 發現紀錄 | 分布圖 | 簡介 | Faunafri
South America: Venezuela.
大小 / 重量 / 年齡
成熟度: Lm ?  range ? - ? cm
Max length : 4.3 cm SL 雄魚/尚未辨別雌雄; (Ref. 128485)
簡短描述
檢索表 | 型態特徵 | 形態測量圖
脊椎骨: 34 - 35. This species can be distinguished from congeners by the presence of caudal-peduncle band with an unpigmented central region (vs. band uniformly dark), and a larger distance between anus and anal-fin origin (Ref. 128485).
Cross section: oval.
A rheophilic species, prefer rapids and other swift-flowing waters. Possibly rare, known only from two preserved specimens collected in widely separated areas from the southern portions of the Rio Orinoco basin (Ref. 128485).
生命週期和交配行為
成熟度 | 繁殖 | 產卵場 | 卵 | 孕卵數 | 仔魚
Shibatta, O.A. and R.P. Vari, 2017. A new genus of Neotropical rheophilic catfishes, with four new species (Teleostei: Siluriformes: Pseudopimelodidae). Neotropical Ichthyology 15(2):e160132. (Ref. 128485)
IUCN 瀕危狀態 (Ref. 130435: Version 2025-2 (Global))
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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 = 0.5156 [Uniqueness, from 0.5 = low to 2.0 = high]. |
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Bayesian length-weight
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a=0.00550 (0.00229 - 0.01319), b=3.11 (2.90 - 3.32), 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) |
3.3 ±0.5 se; based on size and trophs of closest relatives |
釣魚的脆弱性 (Ref. 59153) |
Low vulnerability (10 of 100). 🛈 |