Body length, snout cone-shaped, protruding forward significantly. Lower mouth, crescent shape, thick lips and small eyes. Must be 4 pairs, small. Scale-free, the dorsal fin and pectoral fin are serrated at the back edge of the hard spines, the lipid fin is thick, and the caudal fin is deeply bifurcated. The body color is pink, the back is slightly gray, the abdomen is white, and the fins are gray-black. Long-snooker's body is gray, its fins are gray-black, its snout is conical, it protrudes forward, its eyes are small, and it has four pairs of whiskers. It is a carnivorous bottom fish and likes to hunt at night. The survival temperature is 0℃-38℃, and the optimum growth water temperature is 25℃-28℃.