Pangasius polyuranodon Bleeker, 1852
photo by Baird, I.G.

Family:  Pangasiidae (Shark catfishes)
Max. size:  80 cm SL (male/unsexed)
Environment:  benthopelagic; freshwater; brackish, potamodromous
Distribution:  Asia.
Diagnosis:  Dorsal spines (total): 2-2; Dorsal soft rays (total): 6-8; Anal spines: 0-0; Anal soft rays: 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).
Biology:  Found in lakes and rivers (Ref. 56749). Occurs 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).
IUCN Red List Status: Least Concern (LC); Date assessed: 07 June 2019 Ref. (123251)
Threat to humans:  harmless
Country info:   

Entered by: Sa-a, Pascualita - 21.07.95
Modified by: Torres, Armi G. - 05.02.08
Checked by: Casal, Christine Marie V. - 06.08.96

Source and more info: For personal, classroom, and other internal use only. Not for publication.

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