Anal soft rays: 25 - 30. Dorsum dull grey with pale
green iridescence; maxillary band of teeth forms a
continuous row with no break in midline. Snout protruding
with upper jaw tooth bands partly exposed when mouth
is closed; large median vomerine tooth plate. Habitat:
Occurs in large rivers and enters flooded forests.
Found in rapids and in deep slow reaches. Migrates
into the middle Mekong along the Thai-Lao border as
water levels and turbidity begin to increase.
Reproduction: Reproduces early in the flood
season and juveniles of 6 to 7 cm are taken by late
June. Diet: Juveniles feed on prawns
and insects; subadults and adults on prawns, insects
and particularly mollusks which are more predominant
in stomach contents than in any other Pangasius
species and on plants.
Mekong, Bangpakong, and Chao Phraya River basins.
Type locality: Thabo, Nongkhai prov.
Froese, R. and D. Pauly.
Editors. 2009. FishBase. World Wide Web electronic
publication. www.fishbase.org, version (02/2010).
Kano Y, Adnan MSB, Grudpan C, Grudpan J, Magtoon
W, Musikasinthorn P, Natori Y, Ottomanski S, Praxaysonbath
B, Phongsa K, Rangsiruji A, Shibukawa K, Shimatani
Y, So N, Suvarnaraksha A, Thach P, Thanh PN, Tran
DD, Utsugi K, Yamashita T (2013) An online
database on freshwater fish diversity and distribution
in Mainland Southeast Asia. Ichthyological Research