形态描述
Body comparatively slender, depth of body alout 5 in standard body length; head long and slightly depressed; snout pointed; eyes situated at anterior section of head; lower jaw much projected and upper one reaching beneath eyes; both jaws, vomer and palatine with sharp teeth; preopercular serrated on hind margin and opercular spines 2; branchial membranes separated and free; gill rakers knobble-shaped; anus next to anal fin; ctenoid scales minute, head and anteriour belly without scales; front position of lateral lines high and middle position in caudal peduncle; pyloric caeca 5-10. Dorsan fin rays Ⅻ—ⅩⅣ,10-11;anal fin Ⅲ,7;pelvic fin nearly thoracic; pectoral, pelvic and caudal fins rounded. Body color dark brown and with irregular black spots; pale white on abdomen and fins dark yellow
生物学
为暖温带山溪鱼类,喜水底多石的清流水环境。为肉食性中小型鱼、善游,以小鱼、小虾、水生昆虫等为食
国内分布
长江,钱塘江,闽江和珠江