产卵洄游 meaning in Chinese

migration for propagation
spawning migration

Shrimp is the main food source of cuttlefish , which scattered at the yellow sea and the bo sea of china from every december to the next march in the winter season . after april , it leave the water field to spawning against the current from south to north
为肉食性，平时以毛虾鹰爪虾为食，主要分布在黄海，渤海一带，越冬期为12月至竖年3月底， 4月后离开越冬埸而进入产卵洄游，由南向北。