沼银汉鱼科，又称拟鲻科为辐鳍鱼纲银汉鱼目的其中一科。

沼银汉鱼科其下分5个属，如下：

The sail-fin silversides are a family of atheriniform fish, the Telmatherinidae, inhabiting fresh and brackish water. All but the species Kalyptatherina helodes are restricted to the Indonesian island of Sulawesi, and most are found solely in the Malili Lake system, consisting of Matano and Towuti, and the small Lontoa (Wawantoa), Mahalona and Masapi.