PRODUCTION OF FERTILE EGGS AND SPERMS IN LABORATORY-REARED AMPHIOXUS BRAN- CHIOSTOMA BELCHERI TSINGTAUNESE

Although amphioxus has been studied embryologically for over 130 years,little is known concerning the gonadal development of the laboratory reared animal.The present study in which the amphioxus were successfully maintained in the laboratory for more than one year showed that they could produce fertile eggs and sperms like their wild counterparts.