Morphology Data of Pangasius polyuranodon
Identification keys
Main Ref. Pouyaud, L., R. Gustiano and G.G. Teugels, 2002
Appearance refers to
Bones in OsteoBase

Sex attributes

Specialized organs
Different appearance
Different colors

Descriptive characteristics of juvenile and adult

Striking features none
Body shape lateral elongated
Cross section circular
Dorsal head profile more or less straight
Type of eyes more or less normal
Type of mouth/snout other (see remarks)
Position of mouth sub-terminal/inferior
Type of scales

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).

Ease of Identification

Meristic characteristics of Pangasius polyuranodon

Lateral Lines Interrupted: No
Scales on lateral line
Pored lateral line scales
Scales in lateral series
Scale rows above lateral line
Scale rows below lateral line
Scales around caudal peduncle
Gill clefts (sharks/rays only)
Gill rakers
on lower limb
on upper limb
total 19 - 30


Dorsal fin(s)

Fins number 1
Finlets No. Dorsal   
Spines total 2 - 2
Soft-rays total 6 - 8
Adipose fin present

Caudal fin

Attributes forked; more or less normal

Anal fin(s)

Fins number 1
Spines total 0 - 0
Soft-rays total 33 - 43

Paired fins

Pectoral Attributes  more or less normal
Spines     1
Soft-rays   9 - 15
Pelvics Attributes  more or less normal
Position    abdominal  behind origin of D1
Spines     1
Soft-rays   6 - 6
Main Ref. (e.g. 9948)
Glossary ( e.g. cephalopods )
Entered by Torres, Armi G.
Modified by Capuli, Estelita Emily
Comments & Corrections
Sign our Guest Book
Back to Search
cfm script by eagbayani, 17.10.00, php script by rolavides, 13/03/08 ,  last modified by sortiz, 06.27.17