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) >
Pimelodidae (Long-whiskered catfishes)
油鯰科 (Long-whiskered catfishes)
Etymology: Leiarius: Greek, leios = smooth (Ref. 45335).
More on author: Gill.
Environment: milieu / climate zone / depth range / distribution range
生態學
; 淡水 居於水底的; pH range: 5.8 - 7.2; dH range: ? - 15. 熱帶; 24°C - 26°C (Ref. 12468)
South America: Amazon and Orinoco River basins.
南美洲: 亞馬遜河， Essequibo 與奧里諾科河流域。
大小 / 重量 / 年齡
Maturity: Lm ? range ? - ? cm
Max length : 100.0 cm TL 雄魚/尚未辨別雌雄; (Ref. 54668); 最大體重: 12.0 kg (Ref. 54668)
Inhabits riverbeds, deep wells and lakes (Ref. 54668). Young or sub-adults form large schools (Ref. 54668). Prefers to lay over rock and tree trunks during the day, being more active at sunrise, sunset and night (Ref. 54668). Can reach a little more than 100 cm length (Ref. 54668).
棲息於河床, 深地湧出與湖.(參考文獻 54668) 幼魚或亞成魚形成大群魚群。 (參考文獻 54668) 偏愛產岩石之上與樹幹在白天期間, 在日出, 日落與夜晚更活躍。 (參考文獻 54668) 能達到稍微超過 100 公分長度。 (參考文獻 54668)
Life cycle and mating behavior
成熟度 | 繁殖 | 產卵場 | 卵 | 孕卵數 | 仔魚
南美洲: 亞馬遜河， Essequibo 與奧里諾科河流域。
Lundberg, J.G. and M.W. Littmann, 2003. Pimelodidae (Long-whiskered catfishes). p. 432-446. In R.E. Reis, S.O. Kullander and C.J. Ferraris, Jr. (eds.) Checklist of the Freshwater Fishes of South and Central America. Porto Alegre: EDIPUCRS, Brasil. (Ref. 36506)
IUCN 瀕危狀態 (Ref. 130435: Version 2024-2)
無危 (LC) ; Date assessed: 29 December 2020
人類使用
漁業: 低經濟; 水族館: 公眾的水族館
工具
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Estimates based on models
Phylogenetic diversity index (Ref.
82804): PD
50 = 0.5625 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00589 (0.00278 - 0.01246), b=3.09 (2.92 - 3.26), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref.
93245).
營養階層 (Ref.
69278): 4.5 ±0.80 se; based on food items.
回復力 (Ref.
120179): 中等的, 族群倍增時間最少 1.4 - 4.4年 (Preliminary K or Fecundity.).
Fishing Vulnerability (Ref.
59153): High vulnerability (60 of 100).
