水珍鱼科是辐鳍鱼纲水珍鱼目的一个科。

水珍鱼科其下分2个属，如下：

The herring smelts or argentines are a family, Argentinidae, of marine smelts. They are similar in appearance to smelts (family Osmeridae) but have much smaller mouths.

They are found in oceans throughout the world. They are small fishes, growing up to 25 centimetres (9.8 in) long, except the greater argentine, Argentina silus, which reaches 70 centimetres (28 in).