Therefore, I suggested the acoustic signals of S. lividus may be also serves as species recognition.The fish may be a diurnal fish, and its social interaction peaks at noon.

• 依据声音讯号的特徵分析与日夜变化结果可推测，声音讯号的时序特徵有种间办识之功能，且建议钝头真雀鲷属于日行性活动的鱼种，在中午的社交行为是较高的，文中会对相关声音变异之原因详加讨论。