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分類 / 名稱 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). More on author: Bleeker.
背棘 (總數) : 2; 背的軟條 (總數) : 6 - 8; 臀棘: 0; 臀鰭軟條: 33 - 43. Body somewhat elongated with short predorsal length (25.2-29.2% SL); a long caudal peduncle (17.2-21.8% SL); short head length (16.1-20.1% SL); and, short mandibular barbels (length 11.7-42.2% HL). Swim bladder 3-chambered, extending to above anal-fin base (Ref. 46915). Dorsum dark blue to blue-black; 3-4 lowermost principal caudal rays white; vomerine teeth appearing as 2 joined patches in juveniles (Ref. 12693); vomerine teeth united into quadrangular patch, 1.5 times broader than long, not confluent with palatine teeth patch; anal fin base elongate, its length 3.1-3.6 times in SL; dorsal and pectoral fin spines slender; snout blunt (Ref. 43281). Body shape (shape guide): elongated; Cross section: circular. 身體略微瘦長的有短前背的長度 (25.2-29.2% SL); 一個長的尾柄 (17.2-21.8% SL); 短頭長 (16.1-20.1% SL); 並且, 短的顎觸鬚 (長度 11.7-42.2% HL). 泳鰾 3-腔室的, 延伸至臀鰭基底上方.(參考文獻 46915) 背面深藍色到藍黑色的; 3-4 最低的主要尾鰭鰭條白色; 犛骨齒在稚魚中呈現 2個融合的區塊;(參考文獻 12693) 犛骨齒結合成四邊形的小區塊了,1.5 倍寬度大於長度, 不與顎齒小區塊匯合; 臀鰭基底延長, 它的長度 3.1-3.6 標準體長比率; 背部的與胸鰭棘細長的; 吻鈍的.(參考文獻 43281)
Facultative air-breathing (Ref. 126274); Found in lakes and rivers (Ref. 56749). Adults occur in estuaries and lower reaches but has also been observed in the upper reaches during the rainy season. Species is omnivorous with a tendency to opportunism (Ref. 46915).
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)
系統發育多樣性指數 (參考文獻 82804): PD50 = 0.5000 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00457 (0.00217 - 0.00962), b=3.09 (2.91 - 3.27), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref. 93245).
營養階層 (參考文獻 69278): 2.8 ±0.4 se; based on size and trophs of closest relatives
