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Carnivorous, large fishes. Mainstreams of middle reaches, in deep rocky
rapids; juveniles occurred in tributaries. Recently disappeared. Habitat lost
and overfishing
ลักษณะทางสัณฐานวิทยา :
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Body cylindrical, mouth large with curved gape, lower jaw heavy in adults;
large edipose eyelid; scales small. Body silvery or gold with yellowish or
pinkish fins, caudal fin with dark margin. Attains 1.5 m.