OBSERVATIONS ON THE EMBRYONIC DEVELOPMENT AND PRE--LARVAE OF PACIFIC HERRING

The experiment was carried out in April, 1974 at Daiyu Island, Rongcheng xian,Shandong province and materials were obtained from the artificial fertilization. Thedevelopment of the fertilized eggs and pre-larvae stages of the Pacific herring, Clupeapallasi (Cuvier et Valenciennes) was observed and described in this article. At water temperature 10.5-11.5℃, the larvae hatched out for 12.5 days. Thenewly hatched larvae were about 5.94-7.66 mm in total length.