Dorsal spines (total): 0; Dorsal soft rays (total):
0; Anal soft rays: 75 - 91. No dorsal fin; greatly
reduced barbels (equal to or smaller than eye diameter);
a slender body. Body depth 5.7-7.0 times in SL; mandibular
barbels smaller than eye diameter or absent. Vomerine
teeth in angular band. Habitat: Occurs
in large rivers with turbid waters, streams, canals
and lakes. Diet: Feeds on pelagic
fishes in midwater to upper depths. Reproduction:
Spawns just prior to the rise in water levels and
moves into the flooded riparian forests and probably
out into the floodplains during high water levels.
Young of the year are first seen in July and start
to move back to the rivers in October, where they
remain common until January.