大约20种：在两半球的温带的区域的广布的；在中国的一种。
About 20 species: widespread in the temperate zones of both hemispheres; one species in China.
黄颡鱼是广布于我国各江河湖泊的一种习见小型经济鱼类，生活水流底层。其头骨共有126块；
Pelteobagrus Fulvibraco is a species of small economic catfish dis- tributing all over the rivers and lakes of our country.
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