分類 / Names
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).
More on authors: Myers & Weitzman.
Environment: milieu / climate zone / depth range / distribution range
生態學
; 淡水 居於水底的. 熱帶
South America: Orinoco, Negro, Tocantins, Amazon, Madeira and Casiquiare river basins.
南美洲: 尼格羅河與奧里諾科河河流域。
大小 / 重量 / 年齡
Maturity: Lm ? range ? - ? cm
Max length : 18.5 cm SL 雄魚/尚未辨別雌雄; (Ref. 56896); 最大體重: 114.00 g (Ref. 125971)
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 - 15. Shallow midlateral plates covering less than or equal to 1/4 body depth. Anterior nuchal plate usually of moderate width (longer than wide) permitting weak to firm suture between supraoccipital and middle nuchal plate. Also differs from all species of Leptodoras except L. copei by possessing a distal tip of lower labial extension extending beyond that of upper labial extension (Ref. 56896).
Life cycle and mating behavior
成熟度 | 繁殖 | 產卵場 | 卵 | 孕卵數 | 仔魚
南美洲: 尼格羅河與奧里諾科河河流域。
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 2024-2)
無危 (LC) ; Date assessed: 30 July 2020
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Estimates based on models
Phylogenetic diversity index (Ref.
82804): PD
50 = 0.5002 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.01288 (0.00746 - 0.02224), b=3.02 (2.87 - 3.17), in cm total length, based on LWR estimates for this species & (Sub)family-body (Ref.
93245).
營養階層 (Ref.
69278): 2.8 ±0.4 se; based on size and trophs of closest relatives
回復力 (Ref.
120179): 高度, 族群倍增時間少於 15個月 (Preliminary K or Fecundity.).
Fishing Vulnerability (Ref.
59153): Low vulnerability (13 of 100).
