分类 / Names
俗名 | 同种异名 | Catalog of Fishes(属, 种) | ITIS | CoL | WoRMS | Cloffa
Teleostei >
Siluriformes (Catfishes) >
Pangasiidae (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
生态学
; 淡水; 半咸淡水 底中水层性. 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 / 年龄
Maturity: Lm ? range ? - ? cm
Max length : 28.2 cm SL 雄鱼/尚未辨别雌雄; (Ref. 46915)
简单描述
检索表 | 型态特徵 | 形态测量图
背棘 (总数) : 2; 背的软条 (总数) : 6 - 8; 臀棘: 0; 臀鳍软条: 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).
身体延长, 中间的前背长度 (30.1-33.9% SL). 短吻的长度 (35.2-42.8% HL). 长的尾柄 (17.6-21.4% SL). 短的颚触须 (长度 10.4-39.3% HL). 大的眼 (19.2-25.5% HL).(参考文献 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).
一个杂食性的鱼,主要捕食底栖的动物例如软件动物与甲壳动物。 在雨季的时候，湄公河标本吃果实与各种不同的残砾。 (参考文献 46915)
63 公分 SL 怀孕的母鱼在老挝的 Ban Hang Khone 被观察.(参考文献 9497) 在市场上销售生鲜地了。 (参考文献 12693)
Life cycle and mating behavior
Maturities | 繁殖 | Spawnings | Egg(s) | Fecundities | 仔鱼
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)
人类利用
渔业: 商业性
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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).
营养阶层 (Ref.
69278): 2.4 ±0.17 se; based on food items.
Fishing Vulnerability (Ref.
59153): Low vulnerability (24 of 100).
