The short---snout ice fish is an important food fish for the fisheries in the early spring along the seashore of Liaodong Bay. Its maximum annual produticon had reached as much as 144D tons. The investigation on this fish wsa carried out from March to June in 1982. The short-snout ice fish is a littoral and migratory marine fish. In their spawning season they swim from south to north as a spawning migration along bath sides of the bays, but they do not enter the fresh water. The spawning season is chiefly from April to the second ten days of May, there are two spawning peaks. The ovary of the ice fish contains two groups (large and small) of eggs. After spawning the spawners die gradually. The investigation indicates that each fish can ovulate about 6000-7000 eggs on an average. According to the number of eggs remained in the ovary after spawning, about 2 .8% of eggs can not be extruded. The gonads of male and female both are paired. It is eomfirmed through observation of histological dissection that the left testis of the male exactly exists. The former report that the male fish has only a right testis is not true. The fish also feed in spawning period, chiefly on zooplankton. In the female agawning populatian there exists a certain number of individuals which are physically strong, but seem to be sterile. This is probably one of the important causes why its stock size decreases.