This year is the 125th anniversary of the International Congress of Zoology (ICZ) and 10th anniversary of the International Society of Zoological Sciences (ISZS).This Symposium is just to celebrate this important moment.ICZ,as one of the Worlds oldest scientific congresses,has played a leading role in the development of world zoology for nearly a century since it was founded in 1889.It has made a significant contribution to the development of many sub-branches of zoology.