There was no marked difference in CAT and GPX activities in the corresponding tissues between male and female amphioxus.

• 结果表明(1)在雌、雄文昌鱼体内CuZn一SOD，CAT和GPX活性大致相同，但雄性的总SOD和Mn一SOD的活性比雌性高(p<0.；05); (2)文昌鱼精巢中的总SOD和CuZn一SOD的活性比卵巢中的高(p<0