寿南小沙丁鱼，又称锤氏小砂丁、青鳞鱼、青花鱼，俗名青鳞仔、土鱼、青澜，为辐鳍鱼纲鲱形目鲱科的一种。

本鱼分布于西太平洋海域，包括日本及台湾海域。

Sardinella zunasi (Japanese sardinella or Japanese scaled sardine) is a species of ray-finned fish in the family Clupeidae, the herrings and sardines. It is native to the northwestern Pacific Ocean, where it occurs near shore along the Asian coastlines from southern Japan to Taiwan.