Skip to main content

Native and Non-Native Fish Species in the Willamette River Basin, Oregon


Publication Date
Start Date
End Date


Williams, J.E., Gregory, S.V., and Jones, K.L., 2022, Native and Non-Native Fish Species in the Willamette River Basin, Oregon: U.S. Geological Survey data release,


The Willamette River Basin, Oregon, supports native fish species and non-native fish species introduced for sport fisheries or accidentally from aquarium releases and other sources. Based on fish surveys completed from 1998 to 2018 by Oregon State University and records from the Oregon State University Ichthyology Collection, the Willamette River Basin has 34 native fish species found upstream of the confluence of the Willamette and Columbia Rivers and 28 non-native fish species. Each native and non-native fish species has its own thermal tolerances and diet, spawning, and vertical preference traits. This means that distributions of native and non-native fishes along the river network are shaped by physical factors (such as water temperature, [...]


Attached Files

Click on title to download individual files attached to this item.

NativeandNonNativeFishSpeciesintheWillametteRiverBasin_data.csv 10.24 KB text/csv


Information for native and non-native riverine fish species was compiled for the Willamette River Basin, Oregon, to support monitoring, research, and habitat restoration efforts in the basin. This compilation can be used to understand differences in species traits and relations between fish distributions and site-scale habitat conditions.

Additional Information


Type Scheme Key
DOI doi:10.5066/P9N55MYW

Item Actions

View Item as ...

Save Item as ...

View Item...