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) >
Pangasiidae (Shark catfishes)
鯰科 (Shark catfishes)
Etymology: Pangasius: The Vietnamese name of a fish (Ref. 45335); elongatus: Named for its elongated body..
Environment: milieu / climate zone / depth range / distribution range
生態學
; 淡水; 半鹹淡水 底中水層性. 熱帶
Asia: lower reaches of the Chao Phraya, Bangpakong and Mekong basins of the Indochinese region.
亞洲: Indochinese 區域的湄南河， Bangpakong 與湄公河流域的下游。
大小 / 重量 / 年齡
Maturity: Lm ? range ? - ? cm
Max length : 28.2 cm SL 雄魚/尚未辨別雌雄; (Ref. 46915)
簡短描述
檢索表 | 型態特徵 | 形態測量圖
背棘 (總數) : 2; 背的軟條 (總數) : 6 - 8; 臀棘: 0; 臀鰭軟條: 30 - 33. Body elongated, intermediate predorsal length (30.1-33.9% SL). Short snout length (35.2-42.8% HL). Long caudal peduncle (17.6-21.4% SL). Short mandibular barbels (length 10.4-39.3% HL). Large eyes (19.2-25.5% HL) (Ref. 46915).
身體延長, 中間的前背長度 (30.1-33.9% SL). 短吻的長度 (35.2-42.8% HL). 長的尾柄 (17.6-21.4% SL). 短的顎觸鬚 (長度 10.4-39.3% HL). 大的眼 (19.2-25.5% HL).(參考文獻 46915)
Obligate air-breathing in the genus (Ref. 126274); An omnivorous fish, feeding mainly on benthic animals such as mollusks and crustaceans. During rainy seasons, Mekong specimens feed on fruits and various debris (Ref. 46915).
A single 63 cm SL gravid female was observed at Ban Hang Khone in Laos (Ref. 9497). Marketed fresh (Ref. 12693).
一個雜食性的魚,主要捕食底棲的動物例如軟體動物與甲殼動物。 在雨季的時候，湄公河標本吃果實與各種不同的殘礫。 (參考文獻 46915)
63 公分 SL 懷孕的母魚在寮國的 Ban Hang Khone 被觀察.(參考文獻 9497) 在市場上銷售生鮮地了。 (參考文獻 12693)
Life cycle and mating behavior
Maturities | 繁殖 | Spawnings | Egg(s) | Fecundities | 仔魚
亞洲: Indochinese 區域的湄南河， Bangpakong 與湄公河流域的下游。
Pouyaud, L., R. Gustiano and G.G. Teugels, 2002. Systematic revision of Pangasius polyuranodon (Siluriformes, Pangasiidae) with description of two new species. Cybium 26(4):243-252. (Ref. 46915)
人類使用
漁業: 商業性
工具
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網路資源
Estimates based on models
Phylogenetic diversity index (Ref.
82804): PD
50 = 0.5000 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00457 (0.00217 - 0.00962), b=3.09 (2.90 - 3.28), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref.
93245).
營養階層 (Ref.
69278): 2.4 ±0.17 se; based on food items.
Fishing Vulnerability (Ref.
59153): Low vulnerability (24 of 100).
