Abstract
In the Pacific northwest, brown trout (Salmo trutta) are found in selected streams and lakes east of the Cascade Mountain Range but have not been reported heretofore from coastal streams or tributaries of the lower Columbia River. Two brown trout were captured—one in 1979 at Kalama Falls salmon hatchery and the other in 1984 in Herrington Creek, a tributary of the South Fork Toutle River in Washington. Both fish probably came from previous plantings elsewhere. Viable anadromous populations via upriver or lake plantings have not yet been established in the lower Columbia River tributaries but could become so in the future.
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