Yellow-finned runner(Elagatis bipinnulatus)distributed themselves with a reach of 150 m from the surface FAD,at depths of 30-50 m in daytime,and almost disappeared in nighttime.

• 双带鲹白天洄游于礁体附近100公尺以内，水深30-50公尺的海域，入夜后聚集鱼群明显减少；