Upper (North) Island

Carlton County, Minnesota — DOW #09006001

149 Surveys
113.56
Acres
25 ft
Max Depth
8.4 ft
Mean Depth
13
Fish Species
3
Local Guides

DNR Fish Surveys

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

Black Bullhead

Date Gear CPUE Normal Range Avg Weight Total Catch
1994-08-01 Standard trap nets 0.1 (below normal) 0.8 – 24.6 0.50 lb 1
1994-08-01 Standard gill nets 0.2 (below normal) 0.9 – 17.3 0.92 lb 1
1989-07-31 Standard gill nets 0.2 (below normal) 0.9 – 17.3 0.50 lb 1
2010-07-26 Standard gill nets 0.2 (below normal) 0.9 – 17.3 1.15 lb 1
2021-07-26 Standard trap nets 0.1 (below normal) 0.8 – 24.6 0.28 lb 1

Brown Bullhead

Date Gear CPUE Normal Range Avg Weight Total Catch
1994-08-01 Standard trap nets 1.6 (normal) 0.4 – 3.9 1.90 lb 14
2019-07-29 Standard trap nets 0.8 (normal) 0.4 – 3.9 1.20 lb 7
2002-07-29 Standard trap nets 0.2 (below normal) 0.4 – 3.9 1.11 lb 2
2002-07-29 Standard gill nets 0.2 (below normal) 0.5 – 20.0 1.60 lb 1
1989-07-31 Standard trap nets 0.5 (normal) 0.4 – 3.9 0.60 lb 2
1989-07-31 Standard gill nets 0.5 (normal) 0.5 – 20.0 0.90 lb 3
2010-07-26 Standard gill nets 1.0 (normal) 0.5 – 20.0 0.92 lb 6
2010-07-26 Standard trap nets 1.2 (normal) 0.4 – 3.9 0.96 lb 11
2021-07-26 Standard trap nets 0.4 (normal) 0.4 – 3.9 0.98 lb 4
2021-07-26 Standard gill nets 0.7 (normal) 0.5 – 20.0 1.30 lb 4

Yellow Perch

Date Gear CPUE Normal Range Avg Weight Total Catch
1994-08-01 Standard trap nets 0.4 (normal) 0.4 – 2.8 0.13 lb 4
1994-08-01 Standard gill nets 2.5 (below normal) 4.5 – 19.0 0.10 lb 15
2019-07-29 Standard trap nets 0.4 (normal) 0.4 – 2.8 0.13 lb 4
2019-07-29 Standard gill nets 2.0 (below normal) 4.5 – 19.0 0.09 lb 12
2002-07-29 Standard trap nets 0.1 (below normal) 0.4 – 2.8 0.10 lb 1
1989-07-31 Standard trap nets 0.8 (normal) 0.4 – 2.8 0.13 lb 3
1989-07-31 Standard gill nets 1.5 (below normal) 4.5 – 19.0 0.14 lb 9
2010-07-26 15-ft beach seine 0.4 3
2010-07-26 Standard gill nets 0.2 (below normal) 4.5 – 19.0 0.12 lb 1
2010-07-26 Backpack electrofishing 11.1 12
2010-07-26 Standard trap nets 0.1 (below normal) 0.4 – 2.8 0.07 lb 1
2021-07-26 Standard trap nets 1.2 (normal) 0.4 – 2.8 0.12 lb 11
2021-07-26 Standard gill nets 7.3 (normal) 4.5 – 19.0 0.11 lb 44

Yellow Bullhead

Date Gear CPUE Normal Range Avg Weight Total Catch
1994-08-01 Standard gill nets 0.5 (normal) 0.5 – 2.1 1.30 lb 3
1994-08-01 Standard trap nets 3.0 (above normal) 0.3 – 2.2 1.48 lb 27
2019-07-29 Standard gill nets 0.3 (below normal) 0.5 – 2.1 1.28 lb 2
2019-07-29 Standard trap nets 1.8 (normal) 0.3 – 2.2 0.90 lb 16
2002-07-29 Standard gill nets 3.0 (above normal) 0.5 – 2.1 0.77 lb 18
2002-07-29 Standard trap nets 2.1 (normal) 0.3 – 2.2 0.72 lb 19
1989-07-31 Standard gill nets 2.0 (normal) 0.5 – 2.1 0.64 lb 12
1989-07-31 Standard trap nets 2.8 (above normal) 0.3 – 2.2 0.73 lb 11
2010-07-26 Standard trap nets 1.2 (normal) 0.3 – 2.2 0.77 lb 11
2010-07-26 Standard gill nets 3.5 (above normal) 0.5 – 2.1 0.84 lb 21
2021-07-26 Standard gill nets 1.2 (normal) 0.5 – 2.1 0.85 lb 7
2021-07-26 Standard trap nets 1.1 (normal) 0.3 – 2.2 0.41 lb 10

Northern Pike

Date Gear CPUE Normal Range Avg Weight Total Catch
1994-08-01 Standard gill nets 6.3 (normal) 3.0 – 8.3 1.48 lb 38
1994-08-01 Standard trap nets 0.2 1.39 lb 2
2019-07-29 Standard gill nets 8.7 (above normal) 3.0 – 8.3 2.11 lb 52
2019-07-29 Standard trap nets 0.8 1.49 lb 7
2002-07-29 Standard gill nets 7.3 (normal) 3.0 – 8.3 1.74 lb 44
2002-07-29 Standard trap nets 1.3 1.41 lb 12
1989-07-31 Standard gill nets 9.3 (above normal) 3.0 – 8.3 1.48 lb 56
1989-07-31 Standard trap nets 0.3 1.60 lb 1
2010-07-26 15-ft beach seine 0.5 4
2010-07-26 Standard gill nets 2.7 (below normal) 3.0 – 8.3 2.30 lb 16
2010-07-26 Backpack electrofishing 0.9 1
2010-07-26 Standard trap nets 0.7 2.34 lb 6
2021-07-26 Standard gill nets 9.8 (above normal) 3.0 – 8.3 1.85 lb 59
2021-07-26 Standard trap nets 0.8 0.82 lb 7

Walleye

Date Gear CPUE Normal Range Avg Weight Total Catch
1994-08-01 Standard gill nets 1.5 (normal) 1.3 – 4.8 2.32 lb 9
1994-08-01 Standard trap nets 0.1 (below normal) 0.3 – 1.3 7.94 lb 1
2019-07-29 Standard gill nets 1.7 (normal) 1.3 – 4.8 3.03 lb 10
2019-07-29 Standard trap nets 0.1 (below normal) 0.3 – 1.3 4.19 lb 1
2002-07-29 Standard gill nets 0.5 (below normal) 1.3 – 4.8 1.74 lb 3
2002-07-29 Standard trap nets 0.2 (below normal) 0.3 – 1.3 1.74 lb 2
1989-07-31 Standard gill nets 2.3 (normal) 1.3 – 4.8 2.39 lb 14
1989-07-31 Standard trap nets 0.5 (normal) 0.3 – 1.3 5.95 lb 2
2010-07-26 15-ft beach seine 0.9 7
2010-07-26 Standard gill nets 0.3 (below normal) 1.3 – 4.8 2.87 lb 2
2021-07-26 Standard gill nets 0.8 (below normal) 1.3 – 4.8 3.74 lb 5

Bluegill

Date Gear CPUE Normal Range Avg Weight Total Catch
1994-08-01 Standard gill nets 0.2 0.60 lb 1
1994-08-01 Standard trap nets 8.0 (above normal) 2.3 – 7.8 0.38 lb 72
2019-07-29 Standard gill nets 1.8 0.37 lb 11
2019-07-29 Standard trap nets 18.7 (above normal) 2.3 – 7.8 0.16 lb 168
2002-07-29 Standard trap nets 3.1 (normal) 2.3 – 7.8 0.32 lb 28
1989-07-31 Standard gill nets 1.2 0.31 lb 7
1989-07-31 Standard trap nets 8.8 (above normal) 2.3 – 7.8 0.25 lb 35
2010-07-26 Standard gill nets 0.3 0.25 lb 2
2010-07-26 Survey seining 4.3 13
2010-07-26 Backpack electrofishing 44.4 48
2010-07-26 Standard trap nets 10.4 (above normal) 2.3 – 7.8 0.17 lb 94
2010-07-26 15-ft beach seine 31.4 251
2021-07-26 Standard gill nets 0.5 0.49 lb 3
2021-07-26 Standard trap nets 5.1 (normal) 2.3 – 7.8 0.27 lb 46

White Sucker

Date Gear CPUE Normal Range Avg Weight Total Catch
1994-08-01 Standard gill nets 1.0 (below normal) 2.0 – 11.5 2.51 lb 6
2019-07-29 Standard gill nets 0.7 (below normal) 2.0 – 11.5 1.98 lb 4
2019-07-29 Standard trap nets 0.1 (below normal) 0.8 – 4.4 0.99 lb 1
2002-07-29 Standard gill nets 0.7 (below normal) 2.0 – 11.5 2.50 lb 4
1989-07-31 Standard gill nets 0.2 (below normal) 2.0 – 11.5 0.40 lb 1
2010-07-26 Standard gill nets 0.5 (below normal) 2.0 – 11.5 2.65 lb 3
2021-07-26 Standard gill nets 0.3 (below normal) 2.0 – 11.5 2.46 lb 2

Black Crappie

Date Gear CPUE Normal Range Avg Weight Total Catch
1994-08-01 Standard gill nets 1.3 (normal) 0.5 – 5.5 0.32 lb 8
1994-08-01 Standard trap nets 4.9 (above normal) 0.8 – 3.5 0.35 lb 44
2019-07-29 Standard gill nets 22.5 (above normal) 0.5 – 5.5 0.12 lb 135
2019-07-29 Standard trap nets 8.1 (above normal) 0.8 – 3.5 0.16 lb 73
2002-07-29 Standard gill nets 0.8 (normal) 0.5 – 5.5 0.14 lb 5
2002-07-29 Standard trap nets 3.8 (above normal) 0.8 – 3.5 0.35 lb 34
1989-07-31 Standard gill nets 3.2 (normal) 0.5 – 5.5 0.23 lb 19
1989-07-31 Standard trap nets 1.5 (normal) 0.8 – 3.5 0.37 lb 6
2010-07-26 Standard gill nets 5.5 (normal) 0.5 – 5.5 0.21 lb 33
2010-07-26 Backpack electrofishing 7.4 8
2010-07-26 Standard trap nets 1.6 (normal) 0.8 – 3.5 0.25 lb 14
2010-07-26 15-ft beach seine 0.4 3
2021-07-26 Standard gill nets 12.3 (above normal) 0.5 – 5.5 0.20 lb 74
2021-07-26 Standard trap nets 3.8 (above normal) 0.8 – 3.5 0.22 lb 34

Pumpkinseed

Date Gear CPUE Normal Range Avg Weight Total Catch
1994-08-01 Standard trap nets 1.3 (normal) 0.7 – 3.4 0.40 lb 12
2019-07-29 Standard gill nets 0.2 0.04 lb 1
2019-07-29 Standard trap nets 2.7 (normal) 0.7 – 3.4 0.14 lb 24
2002-07-29 Standard gill nets 0.2 0.14 lb 1
2002-07-29 Standard trap nets 1.0 (normal) 0.7 – 3.4 0.11 lb 9
1989-07-31 Standard gill nets 3.2 0.25 lb 19
1989-07-31 Standard trap nets 3.0 (normal) 0.7 – 3.4 0.24 lb 12
2010-07-26 Backpack electrofishing 3.7 4
2010-07-26 Standard trap nets 0.8 (normal) 0.7 – 3.4 0.19 lb 7
2010-07-26 15-ft beach seine 1.3 10
2021-07-26 Standard gill nets 0.7 0.28 lb 4
2021-07-26 Standard trap nets 4.4 (above normal) 0.7 – 3.4 0.17 lb 40

Bowfin

Date Gear CPUE Normal Range Avg Weight Total Catch
1994-08-01 Standard trap nets 1.0 6.69 lb 9
2019-07-29 Standard gill nets 0.7 4.31 lb 4
2019-07-29 Standard trap nets 0.7 5.64 lb 6
2002-07-29 Standard gill nets 0.2 4.30 lb 1
2002-07-29 Standard trap nets 1.4 3.58 lb 13
1989-07-31 Standard trap nets 1.0 3.52 lb 4
2010-07-26 Standard gill nets 0.7 4.37 lb 4
2010-07-26 Backpack electrofishing 0.9 1
2010-07-26 Standard trap nets 0.4 4.07 lb 4
2021-07-26 Standard gill nets 0.5 4.78 lb 3
2021-07-26 Standard trap nets 0.3 5.10 lb 3

Largemouth Bass

Date Gear CPUE Normal Range Avg Weight Total Catch
2019-07-29 Standard electrofishing 17.9 1.71 lb 22
2019-07-29 Standard gill nets 0.3 (normal) 0.3 – 0.9 1.57 lb 2
2019-07-29 Standard trap nets 0.2 (normal) 0.2 – 0.5 1.59 lb 2
2002-07-29 Standard electrofishing 11.5 1.29 lb 9
1989-07-31 Standard gill nets 0.2 (below normal) 0.3 – 0.9 2.20 lb 1
2010-07-26 Standard electrofishing 35.8 2.02 lb 19
2010-07-26 15-ft beach seine 1.8 14
2010-07-26 Standard gill nets 0.2 (below normal) 0.3 – 0.9 1.63 lb 1
2010-07-26 Survey seining 0.7 2
2010-07-26 Backpack electrofishing 12.9 14
2010-07-26 Standard trap nets 0.2 (normal) 0.2 – 0.5 0.75 lb 2
2021-07-26 Standard electrofishing 4.2 1.98 lb 4
2021-07-26 Standard trap nets 0.2 (normal) 0.2 – 0.5 0.09 lb 2

Rock Bass

Date Gear CPUE Normal Range Avg Weight Total Catch
2002-07-29 Standard trap nets 0.2 (below normal) 0.3 – 2.0 0.27 lb 2
1989-07-31 Standard trap nets 0.5 (normal) 0.3 – 2.0 0.50 lb 2
2010-07-26 15-ft beach seine 0.1 1
2010-07-26 Survey seining 0.3 1
2010-07-26 Backpack electrofishing 4.6 5
2010-07-26 Standard trap nets 0.3 (normal) 0.3 – 2.0 0.27 lb 3
2021-07-26 Standard trap nets 0.1 (below normal) 0.3 – 2.0 0.36 lb 1

Golden Shiner

Date Gear CPUE Normal Range Total Catch
2010-07-26 15-ft beach seine 6.8 54

Mottled Sculpin

Date Gear CPUE Normal Range Total Catch
2010-07-26 Backpack electrofishing 0.9 1

Common Shiner

Date Gear CPUE Normal Range Total Catch
2010-07-26 15-ft beach seine 5.3 42

CNM

Date Gear CPUE Normal Range Total Catch
2010-07-26 Backpack electrofishing 2.8 3

Johnny Darter

Date Gear CPUE Normal Range Total Catch
2010-07-26 Backpack electrofishing 0.9 1

Tadpole Madtom

Date Gear CPUE Normal Range Total Catch
2010-07-26 Backpack electrofishing 0.9 1

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Fish Species

Species known to inhabit Upper (North) Island. Click any species for a full fishing guide.

Black BullheadBlack CrappieBluegillBowfin (Dogfish)Brown BullheadLargemouth BassNorthern PikePumpkinseedRock BassWalleyeWhite SuckerYellow BullheadYellow 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.