水跃鱼（日语：ミズゴロウ，英语：Mudkip）是神奇宝贝系列登场的721种虚构角色（怪兽）中的一种。

为水系的沼鱼神奇宝贝。主要颜色为蓝色。头上的鳍有雷达的作用，可以判别周围的状况。

Mudkip, known in Japan as Mizugorou(ミズゴロウ), is a Pokémon species in Nintendo and Game Freak's Pokémon franchise. Created by Ken Sugimori, Mudkip first appeared in the video games Pokémon Ruby and Sapphire and subsequent sequels, later appearing in various merchandise, spinoff titles and animated and printed adaptations of the franchise.