Washington state status report for the Olympic mudminnow.

The Olympic mudminnow is listed as a sensitive species by the state of Washington.

The Olympic mudminnow resides in dark areas in the bottom of the river, living on fish larvae, eggs and small invertebrates.

The genus Novumbra contains the species N. hubbsi, the Olympic mudminnow.

Olympic mudminnow (Novumbra hubbsi)

The Olympic mudminnow is the only species in genus Novumbra, and one of seven species worldwide in the family Umbridae.

The Olympic mudminnow (Novumbra hubbsi) is a fish native to the western lowlands of Washington state: the Chehalis River basin, Deschutes R. basin, and some Olympic Peninsula basins.