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) >
Doradidae (Thorny catfishes)
陶樂鯰科 (Thorny catfishes) > Doradinae
Etymology: Leptodoras: Greek, leptos = thin + Greek, doras = skin (Ref. 45335).
Eponymy: John Diederich Haseman (1882–1969) was a zoologist and ichthyologist. [...] (Ref. 128868), visit book page.
More on author: Steindachner.
Taxonomic Remarks
One syntype (NMW 46384) is Hemidoras stenopeltis.
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. 熱帶
分布
領土 | FAO區域 | 生態系 | 發現紀錄 | 分布圖 | 簡介 | Faunafri
South America: Branco, Orinoco and Essequibo River basins (Ref. 37054), forming a ring around the western Guiana Shield (Ref. 79526). Recently collected from the middle Tapajós, extending the range of this species to the Brazilian Shield (Ref. 79526).
南美洲: Branco ,奧里諾科河與 Essequibo 河流域。
大小 / 重量 / 年齡
成熟度: Lm ?  range ? - ? cm
Max length : 22.8 cm TL 雄魚/尚未辨別雌雄; (Ref. 111518); 最大體重: 180.00 g (Ref. 111518)
簡短描述
檢索表 | 型態特徵 | 形態測量圖
背棘 (總數) : 1; 背的軟條 (總數) : 6; 臀鰭軟條: 14 - 16. Presence of a large black blotch in the distal half of the anterior dorsal-fin rays and membranes. Basal portion of the lower labial extension is uniformly widened and flat compared to other Leptodoras (Ref. 56896).
Body shape (shape guide): elongated.
Collected from the main channels of large rivers and often associated with large sandy beaches (Ref. 56896).
生命週期和交配行為
成熟度 | 繁殖 | 產卵場 | 卵 | 孕卵數 | 仔魚
南美洲: Branco ,奧里諾科河與 Essequibo 河流域。
Sabaj, M.H., 2005. Taxonomic assessment of Leptodoras (Siluriformes: Doradidae) with descriptions of three new species. Neotrop. Ichthyol. 3(4):637-678. (Ref. 56896)
IUCN 瀕危狀態 (Ref. 130435: Version 2025-2 (Global))
無危 (LC) ; Date assessed: 29 July 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 = 0.5002 [Uniqueness, from 0.5 = low to 2.0 = high]. |
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Bayesian length-weight
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a=0.01148 (0.00671 - 0.01964), b=3.01 (2.86 - 3.16), in cm total length, based on LWR estimates for this species & (Sub)family-body (Ref. 93245). |
營養階層 (參考文獻 69278) |
2.8 ±0.4 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 (24 of 100). 🛈 |