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: Phractocephalus: Greek, phraktos = fence + Greek, kephale = head (Ref. 45335).
More on authors: Bloch & Schneider.
Environment: milieu / climate zone / depth range / distribution range
生態學
; 淡水 居於水底的; pH range: 5.5 - 6.8; dH range: ? - 10; 河川洄游 (Ref. 51243). 熱帶; 20°C - 26°C (Ref. 2060)
South America: Amazon and Orinoco River basins.
南美洲: 亞馬遜河與奧里諾科河河流域。
Length at first maturity / 大小 / 重量 / 年齡
Maturity: Lm ?, range 85 - ? cm
Max length : 135 cm TL 雄魚/尚未辨別雌雄; (Ref. 111518); common length : 60.0 cm TL 雄魚/尚未辨別雌雄; (Ref. 12193); 最大體重: 44.2 kg (Ref. 40637)
Feeds on fish, crabs and fruits (Ref. 6868). The species is introduced but not established in Florida.
吃魚，螃蟹與果實。 (參考文獻 6868) 此魚種被引入但是在佛羅里達不建立了。
Life cycle and mating behavior
成熟度 | 繁殖 | 產卵場 | 卵 | 孕卵數 | 仔魚
南美洲: 亞馬遜河與奧里諾科河河流域。
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)
無危 (LC) ; Date assessed: 27 December 2020
人類使用
漁業: 低經濟; 游釣魚種: 是的; 水族館: 商業性
更多資訊
合作者照片Stamps, Coins Misc.聲音神經毒速度泳型鰓區Otoliths腦重體重比眼睛色素
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Estimates based on models
Phylogenetic diversity index (Ref.
82804): PD
50 = 1.0000 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00912 (0.00521 - 0.01596), b=3.07 (2.92 - 3.22), in cm total length, based on LWR estimates for this species & (Sub)family-body (Ref.
93245).
營養階層 (Ref.
69278): 4.2 ±0.73 se; based on food items.
回復力 (Ref.
120179): 低的, 最小族群倍增時間4.5 - 14 年 (Preliminary K or Fecundity.).
Fishing Vulnerability (Ref.
59153): Very high vulnerability (81 of 100).
