Status & Trends by Species

Mountain Whitefish


© E.R. Keeley

Mountain Whitefish is a resident fish species, and has been named as a focal species by subbasin planners in 8 subbasins. Status and trends data are available for this species in 1 subbasin. Snapshot data are available in 2 subbasins. 5 subbasins have no data available. Mountain Whitefish is not a Federally protected species. No biological objectives have been set for this focal species in the Columbia River Basin.

Mountain whitefish are related to trout, but are more silvery and have larger scales. Mountain whitefish live both in streams and lakes. They spawn from October through February, and can live up to 17 or 18 years.

For more information: http://wlapwww.gov.bc.ca/wld/documents/fishfacts/whitefish.pdf

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.

 

Intermountain Province

Pend Oreille Subbasin
 
Species ESU MPG Population Biological Objective (s) Biological Status Federal Status Data / Charts
Mountain Whitefish       Subbasin Plan Objective :
None
 
Few studies exist that describe abundance. Between 1999-2001, 1,963-26,613 fish (greater than 200 mm) existed in the Lower Clark Fork River below Cabinet Gorge Dam to the inlet of Foster side-channel a href="res_datasources.cfm?mnu=res&DSID=442#442">442 Not Listed No Data
Spokane Subbasin
 
Species ESU MPG Population Biological Objective (s) Biological Status Federal Status Data / Charts
Mountain Whitefish       Subbasin Plan Objective :
None
 
Middle Spokane River
CPUE (eletrofishing) = 9.8 (+6.4) fish/1.85 hours, 0.0 (gill netting) (2007)469

Free-flowing Spokane River
Relative Abundance = 11.7% (2002)470
CPUE = 30.9 (+ 12.0) fish/hour (2002)470

Nine Mile Reservoir
Relative Abundance = 0.9% (2002)470
CPUE = 2.7 (+1.6) fish/hour (electrofishing), 0.1 (+ 0.2) fish/hour (littoral gillnetting), and 0.2 (+ 0.2) fish/hour (pelagic gillnetting) (2002) 470

Spokane Arm (Rest of Lake Roosevelt Included)
CPUE: (FWIN)
2016:
< 0.01 (1 fish)483
Not Listed Status & Trends

Middle Snake Province

Bruneau Subbasin
 
Species ESU MPG Population Biological Objective (s) Biological Status Federal Status Data / Charts
Mountain Whitefish       Subbasin Plan Objective :
No numeric objective for adult abundance described in the subbasin plan
 
8,664 fish 427 Not Listed No Data
Snake Lower Middle Subbasin
 
Species ESU MPG Population Biological Objective (s) Biological Status Federal Status Data / Charts
Mountain Whitefish       Subbasin Plan Objective :
None343
 
Big Wood Drainage
2,876 fish 427
No data exist for other tributary free flowing river reaches or reservoir populations 452
Not Listed Snapshot
Snake Upper Middle Subbasin
 
Species ESU MPG Population Biological Objective (s) Biological Status Federal Status Data / Charts
Mountain Whitefish       Subbasin Plan Objective :
None343
 
Big Wood Drainage
2,876 fish 427
No data exist for other tributary free flowing river reaches or reservoir populations 452
Not Listed Snapshot

Upper Snake Province

Snake Headwaters Subbasin
 
Species ESU MPG Population Biological Objective (s) Biological Status Federal Status Data / Charts
Mountain Whitefish         Unknown Not Listed No Data
Snake Upper Subbasin
 
Species ESU MPG Population Biological Objective (s) Biological Status Federal Status Data / Charts
Mountain Whitefish         Unknown Not Listed No Data
Snake Upper Closed Basin Subbasin
 
Species ESU MPG Population Biological Objective (s) Biological Status Federal Status Data / Charts
Mountain Whitefish         Unknown Not Listed No Data