形态描述
体侧扁，较高，略呈菱形。头短宽，吻圆钝。口甚宽，横裂，占整个吻腹面。下唇限于口角。下颌外露，角质边缘锋利。须2对，短小。背鳍刺强，具锯齿，分枝鳍条8—9。尾鳍深分叉。
生物学
Body deep and compressed. This subspecies is found in the Zhujiang River and the Wujiang River; the weight is about 0.5-1 kg.
国内分布
Pearl Riv. And Wujaing Riv.