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Elongated barb-like body; dorsal spine serrate; lower lip with a posterior
groove forming a pocket opening backwards. Plain silver body with black
margins on dorsal, caudal, anal and pelvic fins. Attains 25 cm. Possibly
different species from B. melanopterus (Ng, H.H. pers. com., 2005), if
approved, it means globally Extinct.
ระบบนิเวศ :
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Benthos and algae feeder. Mainstreams and marshlands, floodplains. Rarely
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seen in the Mekong basin, the common fish in aquarium markets come
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from Indonesian broodstocks. Habitat lost and overfishing.