Big

St. Louis County, Minnesota — DOW #69005000

25 Surveys
808.46
Acres
30 ft
Max Depth
0
5
Fish Species
33
Local Guides

DNR Fish Surveys

Catch-per-unit-effort (CPUE) data from Minnesota DNR fish population assessments on Big. Green = above normal range. Red = below normal.

Northern Pike

Date Gear CPUE Normal Range Avg Weight Total Catch
1988-07-19 Standard gill nets 5.5 (normal) 1.8 – 5.5 1.70 lb 11
1979-07-16 Standard gill nets 6.0 (above normal) 1.8 – 5.5 2.09 lb 24
1983-07-18 Standard gill nets 13.8 (above normal) 1.8 – 5.5 2.12 lb 55
1993-07-20 Standard gill nets 5.8 (above normal) 1.8 – 5.5 2.84 lb 23
2013-07-16 Standard gill nets 4.3 (normal) 1.8 – 5.5 2.65 lb 34

Rock Bass

Date Gear CPUE Normal Range Avg Weight Total Catch
1988-07-19 Standard gill nets 3.5 (above normal) 0.5 – 2.2 0.26 lb 7
1979-07-16 Standard gill nets 0.5 (normal) 0.5 – 2.2 0.40 lb 2
1983-07-18 Standard gill nets 0.8 (normal) 0.5 – 2.2 0.43 lb 3
1993-07-20 Standard gill nets 7.5 (above normal) 0.5 – 2.2 0.55 lb 30
2013-07-16 Standard gill nets 15.0 (above normal) 0.5 – 2.2 0.38 lb 120

Walleye

Date Gear CPUE Normal Range Avg Weight Total Catch
1988-07-19 Standard gill nets 26.5 (above normal) 2.0 – 9.7 1.29 lb 53
1993-07-20 Standard gill nets 8.8 (normal) 2.0 – 9.7 0.97 lb 35
2013-07-16 Standard gill nets 4.4 (normal) 2.0 – 9.7 0.81 lb 35

Yellow Perch

Date Gear CPUE Normal Range Avg Weight Total Catch
1988-07-19 Standard gill nets 1.0 (below normal) 1.7 – 14.1 0.25 lb 2
1979-07-16 Standard gill nets 9.3 (normal) 1.7 – 14.1 0.15 lb 37
1983-07-18 Standard gill nets 8.3 (normal) 1.7 – 14.1 0.20 lb 33
1993-07-20 Standard gill nets 5.3 (normal) 1.7 – 14.1 0.29 lb 21
2013-07-16 Standard gill nets 3.4 (normal) 1.7 – 14.1 0.15 lb 27

White Sucker

Date Gear CPUE Normal Range Avg Weight Total Catch
1988-07-19 Standard gill nets 1.5 (below normal) 2.3 – 8.7 2.80 lb 3
1979-07-16 Standard gill nets 4.8 (normal) 2.3 – 8.7 0.99 lb 19
1983-07-18 Standard gill nets 3.0 (normal) 2.3 – 8.7 2.67 lb 12
1993-07-20 Standard gill nets 1.5 (below normal) 2.3 – 8.7 2.57 lb 6
2013-07-16 Standard gill nets 0.4 (below normal) 2.3 – 8.7 2.36 lb 3

Pumpkinseed

Date Gear CPUE Normal Range Avg Weight Total Catch
1979-07-16 Standard gill nets 1.5 0.08 lb 6

Burbot

Date Gear CPUE Normal Range Avg Weight Total Catch
1993-07-20 Standard gill nets 0.8 (above normal) 0.1 – 0.2 0.55 lb 3

Depth Maps & Lake Info

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Map & Directions

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Fish Species

Species known to inhabit Big. Click any species for a full fishing guide.

Northern PikeRock BassWalleyeWhite SuckerYellow Perch

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Data sourced from Minnesota DNR Division of Fish and Wildlife. Last verified: March 19, 2026. Learn how we maintain this data.