分類 / 名稱
俗名 | 同種異名 | Catalog of Fishes(屬, 種) | ITIS | CoL | WoRMS | Cloffa
Teleostei >
Gymnotiformes (Knifefishes)
電鰻目 (Knifefishes) >
Apteronotidae (Ghost knifefishes)
無背魚科 (Ghost knifefishes) > Apteronotinae
Etymology: Apteronotus: Greek, apteros = without wings / (in this cases, fins) + Greek, noton = back (Ref. 45335); baniwa: Species epithet based on the name of the indigenous people within the vicinity of the type locality (Ref. 093867).
Eponymy: The Baniwa are an indigenous people whose home territory is included in the type locality; Río Orinoco basin, Venezuela. (Ref. 128868), visit book page.
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: Venezuela.
大小 / 重量 / 年齡
成熟度: Lm ?  range ? - ? cm
Max length : 15.5 cm TL 雄魚/尚未辨別雌雄; (Ref. 93867)
簡短描述
檢索表 | 型態特徵 | 形態測量圖
臀鰭軟條: 136 - 159; 脊椎骨: 68 - 77. This species can be distinguished from its congeners by the following set of characters: A 136-159; P 14-16; C 14-17; precaudal vertebrae 16-17; total number of vertebrae 68-77; 5th infraorbital present as a tubular laterosensory canal segment; ossified lateral ethmoid; the number of scales above the lateral line at the midbody 7-8; number of scales along the lateral line 61-70; mouth length 36.6-47.2% of HL; tail length 13.3-24.2% of LEA; tail depth 8.2-15.3% of CL. Colouration: body and head dark brown; narrow, pale, longitudinal band extending from chin along mid-dorsal surface of head and body to, or slightly posterior of, vertical through tip of pectoral fin; pectoral- and anal-fins rays dark brown with translucent interradial membranes; pale band encircling base of caudal fin; caudal fin pale at base and dark brown posteriorly (Ref. 93867).
Cross section: compressed.
Occurs in rapids habitat with rocky bottom (Ref. 93867).
生命週期和交配行為
成熟度 | 繁殖 | 產卵場 | 卵 | 孕卵數 | 仔魚
de Santana, C.D. and R.P. Vari, 2013. Brown ghost electric fishes of the Apteronotus leptorhynchus species-group (Ostariophysi, Grymnotiformes); monophyly, major clades, and revision. Zool. J. Lin. Soc. 168(3):564-596. (Ref. 93867)
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 = 0.5000 [Uniqueness, from 0.5 = low to 2.0 = high]. |
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Bayesian length-weight
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a=0.00347 (0.00141 - 0.00851), b=3.06 (2.85 - 3.27), 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) |
3.2 ±0.3 se; based on size and trophs of closest relatives |
釣魚的脆弱性 (Ref. 59153) |
Low vulnerability (10 of 100). 🛈 |