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Mainstream river
Herbivorous, plant matters, algae, detritus and phytoplankton. Mainstreams
and tributaries, juveniles also nursing in floodplains. Popular foodfish
throughout its range; their population also delining. Habitat lost and
overfishing.
ลักษณะทางสัณฐานวิทยา :
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A large carp with very large head, about 1/3 of body length; large mouth,
no barbels; dorsal spine absent; scales large; 90-110 long gill?raker on
first gill arch. Body dark or deep blue with reddish marking on scale edges,
fin dark with red margin. Attains 2.5 m.