Westslope Cutthroat Trout

Westslope Cutthroat Trout
Photo Credit: Josh McCormick


  • Species Common Name Westslope Cutthroat Trout
  • Species Scientific Name Oncorhynchus clarki lewisi
  • Federal Listing Status Species of Concern
  • State Listing Status Sensitive


Special needs

Specializes in foraging for invertebrates. Prefers cool, clear streams with coarse sediment.

Limiting factors

Land use practices that reduce riparian cover. Passage barriers. Invasive species that can compete over food resources.

Conservation actions

Maintain riparian cover and other factors that can provide thermal cooling. Reduce localized impacts where populations could become increasingly fragmented.

Key reference or plan

Oregon Native Fish Status Report, 2005