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Cutthroat Trends (Draft)

Coastal Cutthroat Trout

WillametteLower Columbia and EstuaryColumbia GorgehoodFifteenmileSandyGraysElochomanCowlitzKalamaLewisWashougalAbernathy Creek/German Creek/Mill Creek/Coal CreekCoweemanToutleSalmon Creek


Coastal cutthroat trout inhabit the lower Columbia River Basin from the Klickitat River and Fifteenmile Creek to the Columbia River Estuary. Life history forms exhibited by coastal cutthroat trout in the lower Columbia River include resident, fluvial, adfluvial, and anadromous. Coastal cutthroat trout, especially the freshwater forms, are well distributed in most river basins in this geographic region, although probably in lower numbers relative to historical population sizes. These populations appear to fully utilize available habitat and maintain abundances near capacity. In contrast, the anadromous life history form may be declining in some area due to historic and current activities such as dams/culverts/diversions.

Adapted From:
Johnson, O.W. and seven other authors. 1999. Status Review of Coastal Cutthroat Trout from Washington, Oregon, and California. NOAA Technical Memorandum NMFS-NWFSC-37. Seattle, WA.