泥狗鱼科为辐鳍鱼纲狗鱼目的一科。

泥狗鱼科下分3个属，如下：

• 黑鱼属(Dallia)
  • 精彩黑鱼(Dallia admirabilis)
  • 纤细黑鱼(Dallia delicatissima)
  • 阿拉斯加黑鱼(Dallia pectoralis)
• 新荫鱼属(Novumbra)
  • 新荫鱼(Novumbra hubbsi)
• 荫鱼属(Umbra)
  • 荫鱼(Umbra krameri)
  • 林氏荫鱼(Umbra limi)：又称泥荫鱼。
  • 矮荫鱼(Umbra pygmaea)

The Umbridae (mudminnows) are a family of Actinopterygii, ray-finned fish that inhabit freshwater environments in temperate regions across the Northern Hemisphere. They are generally small fish, with the largest species reaching 33 cm (13 in) in length, and most less than half that.