umbridae

A family of salmoniformes comprising the mudminnows. There are three genera: dallia, novumbra, and umbra with much disagreement about their taxonomic interrelations. The umbridae are freshwater fish inhabiting parts of the northern hemisphere. (nelson: fishes of the world) ... (12 Dec 1998) ...
Found on http://www.mondofacto.com/facts/dictionary?umbridae

Umbridae

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 {convert|33|cm|in} in length, and most less than half that. There are seven species of mudminnow, grouped into three genera
Found on http://en.wikipedia.org/wiki/Umbridae
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