青岛近海马鲛Scomberomorus niphonius 4月底—5月初,在环境条件、水温、气象、饵料等的影响下,开始北上产卵洄游,其中饵料条件是影响产卵洄游的重要因素之一,洄游过程中,青岛近海的马鲛有两部分,一部分是游向黄海北部进入渤海产卵的过路群,另一部分是游向近岸产卵的部分群体. From the end of April to the beginning of May, Scomberomorus niphonius began to swim northward under the influence of environmental conditions, water temperature, meteorology and food. The feed conditions were one of the important factors that affected spawning migration. During the migratory process, There are two parts in the mackerel in the coastal waters of Qingdao: one is the crossings to the Bohai Sea to the north of the Yellow Sea and the other to the part of the population that swims to the nearshore.