Recent advances in understanding the circulation and hydrography of the East China Sea,Transport of larval jack mackerel (Trachurus japonicus) estimated from trajectories of satellite‐tracked drifters and advective velocity fields obtained from sequential satellite thermal images in the eastern East China Sea,Long‐term changes in zooplankton and its relationship with squid, Todarodes pacificus, catch in Japan/East Sea,Stock size fluctuations in chub mackerel (Scomber japonicus) in the East China Sea and the Japan/East Sea,Importance of the Shatsky Rise Area in the Kuroshio Extension as an offshore nursery ground for Japanese anchovy (Engraulis japonicus) and sardine (Sardinops melanostictus),Improvement in school‐size estimates of pelagic fish using information from sector‐scanning sonar,Fisheries management based on ecosystem dynamics and feedback control.