Status & Trends by Species



Walleye is a resident fish species, and has been named as a focal species by subbasin planners in 1 subbasin. Status and trends data are available for this species in 1 subbasin. Walleye is not a Federally protected species. No biological objectives have been set for this focal species in the Columbia River Basin.

Walleye are a non-native game fish, and a very effective predator of other fish species. Walleye spawn in late winter and spring when water temperatures reach 45 °F, and they may reach weights over 15 pounds.

For more information:

Focal species represent the fish species that the subbasin planners have identified as focal species for the respective subbasin. The biological objectives associated with a focal species were either described in the subbasin plan or were included in state, tribal, or federal recovery/management plans. Biological objectives and current status are linked to their respective reference information; if the reference exists on-line, a link is provided to the original data.

The status and trend information represents the most current data that is available. Data were collected through interviews with biologists and reviews of reports and websites. Each chart is linked to a table of the data, and each datapoint in that table is linked to reference information. The focal species data presented have been reviewed and approved by the respective collectors.


Columbia Plateau Province

Crab Subbasin
Species ESU MPG Population Biological Objective (s) Biological Status Federal Status Data / Charts
Walleye     Banks Lake and Potholes Reservoirs  Subbasin Plan Objective :
Population Estimate
2005: 38,128 fish 439
Not Listed Status & Trends