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: Hemisorubim: Greek, hemi = half + Brazilian local name, sorubim (Ref. 45335).
More on author: Valenciennes.
Environment: milieu / climate zone / depth range / distribution range
生態學
; 淡水 居於水底的; pH range: 6.0 - 7.8; dH range: ? - 25. 亞熱帶的; 20°C - 22°C (Ref. 2060)
South America: Amazon, Maroni, Orinoco, and Paraná River basins.
南美洲: 亞馬遜河， Maroni ，奧里諾科河，巴拉納河流域。
Length at first maturity / 大小 / 重量 / 年齡
Maturity: Lm 31.6 range ? - ? cm
Max length : 61.0 cm TL (female); 最大體重: 2.7 kg (Ref. 111728)
Rather rare, confined to the deeper and slow-moving parts of large rivers together with some Loricaria and Potamotrygon. Its body shape and color pattern are perfectly adapted to the muddy bottom where they stay (Ref. 35381). Feeds on benthic organisms and fish. The position of the eyes and the shape of the mouth of this piscivorous fish give to its stalking mode of hunting (Ref. 35381).
相當稀有, 侷限於那比較深的與大河的緩慢移動的部份伴隨著一些 Loricaria 與 Potamotrygon. 它的體型與彩色斑紋完全地被適應到泥底部在那裡它們停留。 (參考文獻 35381) 吃底棲的生物與魚。 眼的位置與這個以魚為食的魚的嘴巴的形狀給它的獵食的秘密接近的模式。 (參考文獻 35381)
Life cycle and mating behavior
Maturities | 繁殖 | Spawnings | Egg(s) | Fecundities | 仔魚
南美洲: 亞馬遜河， Maroni ，奧里諾科河，巴拉納河流域。
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: 16 December 2020
人類使用
漁業: 商業性; 水族館: 公眾的水族館
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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=0.00676 (0.00575 - 0.00794), b=3.12 (3.07 - 3.17), in cm total length, based on LWR estimates for this species (Ref.
93245).
營養階層 (Ref.
69278): 4.5 ±0.80 se; based on food items.
Generation time: 4.9 ( na - na) years. Estimated as median ln(3)/K based on 1
growth studies.
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): Moderate to high vulnerability (45 of 100).
Nutrients (Ref.
124155): Calcium = 49.7 [19.0, 141.3] mg/100g; Iron = 1.31 [0.68, 2.81] mg/100g; Protein = 18 [16, 20] %; Omega3 = 0.455 [0.195, 1.071] g/100g; Selenium = 36.7 [14.8, 83.4] μg/100g; VitaminA = 28.3 [9.5, 87.8] μg/100g; Zinc = 0.674 [0.449, 0.997] mg/100g (wet weight); based on
nutrient studies.
