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Filter feeder, zooplankton. Mainstreams, lowland tributaries and
floodplains. Seasonally common foodfish in the markets. VU in IUCN
Red Data List. Habitat lost and overfishing.
ลักษณะทางสัณฐานวิทยา :
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Body deep, compressed. Abdomen sharply keeled; wide operculum;
large eye; mouth pointing obliquely upwards. Often up to ten thumbprint
blotches along upper body flanks (in adults, not distinct in juveniles).
Attains 30 cm.