This member of the minnow family (Cyprinidae) is considered a unique form of the widespread and common Longnose Dace (Rhinichthys cataractae). that developed through geographic isolation Washington State’s Chehalis River Valley for over 1 million years during the Pleistocene glaciations. As glaciers retreated, it colonized, other watersheds along with Salis Sucker. It is a small fish (to 12 cm) limited to western Washington State and southwestern BC. In BC, it is found in three tributaries of the Nooksack River, and the Brunette River, in lower Fraser River Valley. It is a habitat specialist dependent on stream riffles with loose, rocky substrates.

  • Nooksack Dace
  • Riffle habitat

This is a species at risk. To find its current at-risk designation and listing info, visit the BC Species and Ecosystems Explorer. For direction on finding additional species recovery information, visit the Species and Ecological Communities Profiles Overview webpage.

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