Lower (South) Island

Carlton County, Minnesota — DOW #09006002

216 Surveys
319.99
Acres
22 ft
Max Depth
9 ft
Mean Depth
14
Fish Species
3
Local Guides

DNR Fish Surveys

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

Brown Bullhead

Date Gear CPUE Normal Range Avg Weight Total Catch
2002-07-22 Standard trap nets 0.2 (below normal) 0.5 – 3.3 1.27 lb 2
2002-07-22 Standard gill nets 12.0 (above normal) 0.5 – 4.3 1.11 lb 72
1989-07-25 Standard trap nets 0.3 (below normal) 0.5 – 3.3 0.70 lb 1
1989-07-25 Standard gill nets 7.5 (above normal) 0.5 – 4.3 0.91 lb 45
1977-07-26 Standard gill nets 0.5 (normal) 0.5 – 4.3 1.00 lb 1
1977-07-26 Standard trap nets 2.0 (normal) 0.5 – 3.3 0.88 lb 4
2007-07-23 Standard gill nets 1.5 (normal) 0.5 – 4.3 1.35 lb 9
1994-07-25 Standard trap nets 1.6 (normal) 0.5 – 3.3 0.99 lb 14
1994-07-25 Standard gill nets 2.8 (normal) 0.5 – 4.3 1.10 lb 17
2023-07-24 Standard trap nets 3.9 (above normal) 0.5 – 3.3 0.87 lb 35
2023-07-24 Standard gill nets 1.8 (normal) 0.5 – 4.3 1.07 lb 11
2024-07-08 Standard trap nets 0.1 (below normal) 0.5 – 3.3 1.52 lb 1

Yellow Perch

Date Gear CPUE Normal Range Avg Weight Total Catch
2002-07-22 Standard trap nets 0.2 (below normal) 0.3 – 2.8 0.23 lb 2
2002-07-22 Standard gill nets 3.0 (normal) 2.0 – 21.5 0.26 lb 18
1989-07-25 Standard trap nets 0.5 (normal) 0.3 – 2.8 0.45 lb 2
1989-07-25 Standard gill nets 1.2 (below normal) 2.0 – 21.5 0.16 lb 7
1977-07-26 Standard trap nets 0.5 (normal) 0.3 – 2.8 0.60 lb 1
1977-07-26 Standard gill nets 3.5 (normal) 2.0 – 21.5 0.21 lb 7
2007-07-23 Survey seining 74.0 148
2007-07-23 Standard gill nets 1.2 (below normal) 2.0 – 21.5 0.12 lb 7
1994-07-25 Standard trap nets 0.1 (below normal) 0.3 – 2.8 0.07 lb 1
1994-07-25 Survey seining 118.0 236
1994-07-25 Standard gill nets 3.0 (normal) 2.0 – 21.5 0.25 lb 18
2013-07-22 Standard trap nets 0.6 (normal) 0.3 – 2.8 0.08 lb 5
2013-07-22 Standard gill nets 0.3 (below normal) 2.0 – 21.5 0.05 lb 2
2023-07-24 Standard trap nets 0.2 (below normal) 0.3 – 2.8 0.05 lb 2
2023-07-24 Standard gill nets 0.3 (below normal) 2.0 – 21.5 0.08 lb 2
2023-06-28 Backpack electrofishing 1.5 2
2023-06-28 15-ft beach seine 0.3 1
2023-06-28 50-ft beach seine 14.3 43
2024-07-08 Standard trap nets 0.1 (below normal) 0.3 – 2.8 0.14 lb 1
2024-07-08 Backpack electrofishing 4.5 5
2024-07-08 50-ft beach seine 5.0 15

Yellow Bullhead

Date Gear CPUE Normal Range Avg Weight Total Catch
2002-07-22 Standard gill nets 18.0 (above normal) 1.9 – 12.1 0.66 lb 108
2002-07-22 Standard trap nets 1.3 (below normal) 2.1 – 10.5 0.74 lb 12
1989-07-25 Standard gill nets 6.0 (normal) 1.9 – 12.1 0.55 lb 36
1989-07-25 Standard trap nets 7.3 (normal) 2.1 – 10.5 0.72 lb 29
1977-07-26 Standard trap nets 5.0 (normal) 2.1 – 10.5 0.90 lb 10
2007-07-23 Standard gill nets 6.8 (normal) 1.9 – 12.1 0.92 lb 41
2007-07-23 Standard trap nets 4.2 (normal) 2.1 – 10.5 0.96 lb 38
1994-07-25 Standard gill nets 1.8 (below normal) 1.9 – 12.1 0.74 lb 11
1994-07-25 Standard trap nets 5.8 (normal) 2.1 – 10.5 0.70 lb 52
2013-07-22 Standard gill nets 1.2 (below normal) 1.9 – 12.1 0.85 lb 7
2013-07-22 Standard trap nets 4.9 (normal) 2.1 – 10.5 0.91 lb 44
2023-07-24 Standard gill nets 3.5 (normal) 1.9 – 12.1 0.69 lb 21
2023-07-24 Standard trap nets 2.0 (below normal) 2.1 – 10.5 0.67 lb 18
2023-06-28 Backpack electrofishing 3.7 5
2024-07-08 Standard trap nets 3.4 (normal) 2.1 – 10.5 0.79 lb 31
2024-07-08 Backpack electrofishing 4.5 5

Northern Pike

Date Gear CPUE Normal Range Avg Weight Total Catch
2002-07-22 Standard gill nets 6.7 (normal) 4.8 – 12.5 1.47 lb 40
2002-07-22 Standard trap nets 0.6 1.29 lb 5
1989-07-25 Standard gill nets 10.0 (normal) 4.8 – 12.5 1.07 lb 60
1989-07-25 Standard trap nets 0.8 1.03 lb 3
1977-07-26 Standard gill nets 2.0 (below normal) 4.8 – 12.5 1.45 lb 4
1977-07-26 Standard trap nets 0.5 1.00 lb 1
2007-07-23 Standard gill nets 7.0 (normal) 4.8 – 12.5 2.24 lb 42
2007-07-23 Standard trap nets 0.6 1.92 lb 5
1994-07-25 Standard gill nets 4.0 (below normal) 4.8 – 12.5 1.26 lb 24
1994-07-25 Standard trap nets 0.3 1.25 lb 3
1994-07-25 Survey seining 1.0 2
2013-07-22 Standard gill nets 7.8 (normal) 4.8 – 12.5 1.46 lb 47
2013-07-22 Standard trap nets 1.6 1.75 lb 14
2023-07-24 Standard gill nets 8.3 (normal) 4.8 – 12.5 2.34 lb 50
2023-07-24 Standard trap nets 1.3 1.08 lb 12
2023-06-28 50-ft beach seine 3.3 10
2023-06-28 Backpack electrofishing 3.0 4
2023-06-28 15-ft beach seine 0.5 2
2024-07-08 50-ft beach seine 1.3 4
2024-07-08 Standard trap nets 1.7 1.41 lb 15
2024-07-08 Backpack electrofishing 0.9 1

Walleye

Date Gear CPUE Normal Range Avg Weight Total Catch
2002-07-22 Standard electrofishing 4.4 2.70 lb 3
2002-07-22 Standard gill nets 2.0 (normal) 0.5 – 3.0 1.80 lb 12
2002-07-22 Standard trap nets 0.2 (below normal) 0.3 – 0.5 2.65 lb 2
1989-07-25 Standard gill nets 3.8 (above normal) 0.5 – 3.0 1.30 lb 23
1977-07-26 Standard gill nets 5.5 (above normal) 0.5 – 3.0 0.86 lb 11
1977-07-26 Standard trap nets 0.5 (normal) 0.3 – 0.5 1.00 lb 1
2007-07-23 Standard electrofishing 1.2 2.49 lb 1
2007-07-23 Standard gill nets 4.8 (above normal) 0.5 – 3.0 2.04 lb 29
1994-07-25 Survey seining 1.5 3
1994-07-25 Standard gill nets 2.8 (normal) 0.5 – 3.0 2.29 lb 17
2013-07-22 Standard gill nets 2.8 (normal) 0.5 – 3.0 2.74 lb 17
2023-07-24 Standard gill nets 1.7 (normal) 0.5 – 3.0 1.79 lb 10

Rock Bass

Date Gear CPUE Normal Range Avg Weight Total Catch
2002-07-22 Standard gill nets 0.2 (below normal) 0.3 – 1.2 0.57 lb 1
2002-07-22 Standard trap nets 0.2 (below normal) 0.5 – 1.5 0.62 lb 2
1989-07-25 Standard gill nets 0.2 (below normal) 0.3 – 1.2 0.50 lb 1
2007-07-23 Survey seining 2.5 5
2007-07-23 Standard gill nets 0.2 (below normal) 0.3 – 1.2 0.48 lb 1
2007-07-23 Standard trap nets 0.1 (below normal) 0.5 – 1.5 0.45 lb 1
1994-07-25 Standard trap nets 0.3 (below normal) 0.5 – 1.5 0.58 lb 3
2013-07-22 Standard gill nets 0.3 (normal) 0.3 – 1.2 0.38 lb 2
2013-07-22 Standard trap nets 0.9 (normal) 0.5 – 1.5 0.42 lb 8
2023-07-24 Standard gill nets 0.2 (below normal) 0.3 – 1.2 0.65 lb 1
2023-07-24 Standard trap nets 0.2 (below normal) 0.5 – 1.5 0.32 lb 2
2023-06-28 Backpack electrofishing 5.2 7
2024-07-08 Backpack electrofishing 0.9 1
2024-07-08 15-ft beach seine 0.3 1

Largemouth Bass

Date Gear CPUE Normal Range Avg Weight Total Catch
2002-07-22 Standard electrofishing 8.7 1.70 lb 6
2002-07-22 Standard gill nets 0.2 (below normal) 0.3 – 1.8 1.37 lb 1
2007-07-23 Standard electrofishing 12.2 1.23 lb 10
2007-07-23 Survey seining 11.0 22
2007-07-23 Standard gill nets 0.3 (normal) 0.3 – 1.8 1.23 lb 2
2007-07-23 Standard trap nets 0.2 (below normal) 0.3 – 1.4 0.23 lb 2
1994-07-25 Survey seining 14.5 29
1994-07-25 Standard trap nets 0.1 (below normal) 0.3 – 1.4 0.09 lb 1
2013-07-22 Standard electrofishing 36.0 1.66 lb 34
2023-07-24 Standard electrofishing 20.7 0.96 lb 22
2023-06-28 Backpack electrofishing 5.9 8
2023-06-28 50-ft beach seine 7.0 21
2024-07-08 Backpack electrofishing 3.6 4
2024-07-08 15-ft beach seine 1.5 6
2024-07-08 50-ft beach seine 5.7 17

Bluegill

Date Gear CPUE Normal Range Avg Weight Total Catch
2002-07-22 Standard gill nets 1.5 0.26 lb 9
2002-07-22 Standard trap nets 6.3 (below normal) 8.3 – 50.1 0.20 lb 57
1989-07-25 Standard gill nets 1.3 0.29 lb 8
1989-07-25 Standard trap nets 3.5 (below normal) 8.3 – 50.1 0.05 lb 14
1977-07-26 Standard trap nets 15.5 (normal) 8.3 – 50.1 0.17 lb 31
2007-07-23 Survey seining 124.0 248
2007-07-23 Standard gill nets 3.0 0.23 lb 18
2007-07-23 Standard trap nets 16.0 (normal) 8.3 – 50.1 0.30 lb 144
1994-07-25 Standard gill nets 1.2 0.51 lb 7
1994-07-25 Standard trap nets 6.7 (below normal) 8.3 – 50.1 0.39 lb 60
2013-07-22 Standard gill nets 6.2 0.33 lb 37
2013-07-22 Standard trap nets 20.6 (normal) 8.3 – 50.1 0.21 lb 185
2023-07-24 Standard gill nets 5.7 0.23 lb 34
2023-07-24 Standard trap nets 16.1 (normal) 8.3 – 50.1 0.20 lb 145
2023-06-28 Backpack electrofishing 14.1 19
2023-06-28 15-ft beach seine 9.3 37
2023-06-28 50-ft beach seine 20.7 62
2024-07-08 Backpack electrofishing 33.3 37
2024-07-08 15-ft beach seine 33.0 132
2024-07-08 50-ft beach seine 202.3 607
2024-07-08 Standard trap nets 10.7 (normal) 8.3 – 50.1 0.18 lb 96

Pumpkinseed

Date Gear CPUE Normal Range Avg Weight Total Catch
2002-07-22 Standard gill nets 1.3 0.16 lb 8
2002-07-22 Standard trap nets 1.6 (below normal) 2.8 – 10.3 0.24 lb 14
1989-07-25 Standard gill nets 3.7 0.17 lb 22
1989-07-25 Standard trap nets 0.8 (below normal) 2.8 – 10.3 0.13 lb 3
1977-07-26 Standard gill nets 1.5 0.07 lb 3
1977-07-26 Standard trap nets 2.0 (below normal) 2.8 – 10.3 0.10 lb 4
2007-07-23 Survey seining 4.5 9
2007-07-23 Standard trap nets 2.8 (below normal) 2.8 – 10.3 0.35 lb 25
1994-07-25 Standard gill nets 0.2 0.29 lb 1
1994-07-25 Standard trap nets 1.7 (below normal) 2.8 – 10.3 0.29 lb 15
2013-07-22 Standard trap nets 3.0 (normal) 2.8 – 10.3 0.24 lb 27
2023-07-24 Standard gill nets 0.2 0.41 lb 1
2023-07-24 Standard trap nets 3.2 (normal) 2.8 – 10.3 0.29 lb 29
2023-06-28 Backpack electrofishing 4.5 6
2023-06-28 15-ft beach seine 2.0 8
2023-06-28 50-ft beach seine 4.7 14
2024-07-08 Backpack electrofishing 6.3 7
2024-07-08 15-ft beach seine 0.3 1
2024-07-08 50-ft beach seine 1.3 4
2024-07-08 Standard trap nets 2.7 (below normal) 2.8 – 10.3 0.21 lb 24

Black Crappie

Date Gear CPUE Normal Range Avg Weight Total Catch
2002-07-22 Standard gill nets 0.8 (below normal) 1.0 – 4.8 0.46 lb 5
2002-07-22 Standard trap nets 0.2 (below normal) 0.8 – 4.3 0.13 lb 2
1989-07-25 Standard gill nets 4.8 (above normal) 1.0 – 4.8 0.21 lb 29
1989-07-25 Standard trap nets 0.3 (below normal) 0.8 – 4.3 0.10 lb 1
1977-07-26 Standard gill nets 3.0 (normal) 1.0 – 4.8 0.08 lb 6
1977-07-26 Standard trap nets 4.0 (normal) 0.8 – 4.3 0.69 lb 8
2007-07-23 Standard gill nets 2.8 (normal) 1.0 – 4.8 0.20 lb 17
2007-07-23 Standard trap nets 0.4 (below normal) 0.8 – 4.3 0.25 lb 4
1994-07-25 Survey seining 7.5 15
1994-07-25 Standard gill nets 5.0 (above normal) 1.0 – 4.8 0.42 lb 30
1994-07-25 Standard trap nets 0.8 (below normal) 0.8 – 4.3 0.32 lb 7
2013-07-22 Standard gill nets 4.2 (normal) 1.0 – 4.8 0.27 lb 25
2013-07-22 Standard trap nets 0.6 (below normal) 0.8 – 4.3 0.19 lb 5
2023-07-24 Standard gill nets 0.8 (below normal) 1.0 – 4.8 0.41 lb 5
2023-07-24 Standard trap nets 0.8 (below normal) 0.8 – 4.3 0.39 lb 7
2024-07-08 50-ft beach seine 2.7 8
2024-07-08 Standard trap nets 1.6 (normal) 0.8 – 4.3 0.36 lb 14

Black Bullhead

Date Gear CPUE Normal Range Avg Weight Total Catch
2002-07-22 Standard gill nets 0.2 (below normal) 1.0 – 16.5 0.69 lb 1
1977-07-26 Standard trap nets 2.5 (normal) 0.5 – 5.7 1.00 lb 5
2007-07-23 Standard trap nets 0.8 (normal) 0.5 – 5.7 1.60 lb 7
1994-07-25 Standard trap nets 0.2 (below normal) 0.5 – 5.7 0.66 lb 2
1994-07-25 Standard gill nets 0.2 (below normal) 1.0 – 16.5 0.75 lb 1
2013-07-22 Standard trap nets 0.3 (below normal) 0.5 – 5.7 1.10 lb 3
2013-07-22 Standard gill nets 0.8 (below normal) 1.0 – 16.5 1.49 lb 5
2023-07-24 Standard gill nets 0.2 (below normal) 1.0 – 16.5 2.48 lb 1

Bowfin

Date Gear CPUE Normal Range Avg Weight Total Catch
2002-07-22 Standard trap nets 1.3 (normal) 0.5 – 1.5 3.52 lb 12
1989-07-25 Standard gill nets 0.3 (normal) 0.3 – 1.1 3.30 lb 2
1989-07-25 Standard trap nets 0.5 (normal) 0.5 – 1.5 2.70 lb 2
2007-07-23 Standard gill nets 0.3 (normal) 0.3 – 1.1 3.64 lb 2
2007-07-23 Standard trap nets 3.1 (above normal) 0.5 – 1.5 4.42 lb 28
1994-07-25 Standard gill nets 0.3 (normal) 0.3 – 1.1 3.96 lb 2
1994-07-25 Standard trap nets 1.0 (normal) 0.5 – 1.5 4.01 lb 9
2013-07-22 Standard gill nets 0.5 (normal) 0.3 – 1.1 5.15 lb 3
2013-07-22 Standard trap nets 2.2 (above normal) 0.5 – 1.5 4.85 lb 20
2023-07-24 Standard trap nets 1.2 (normal) 0.5 – 1.5 5.03 lb 11
2023-06-28 50-ft beach seine 0.3 1
2024-07-08 Standard trap nets 1.1 (normal) 0.5 – 1.5 4.70 lb 10

White Sucker

Date Gear CPUE Normal Range Avg Weight Total Catch
1989-07-25 Standard gill nets 0.7 (normal) 0.5 – 2.3 3.25 lb 4
1977-07-26 Standard gill nets 1.0 (normal) 0.5 – 2.3 1.25 lb 2
1977-07-26 Standard trap nets 2.0 (above normal) 0.3 – 0.8 3.75 lb 4
2007-07-23 Standard gill nets 0.2 (below normal) 0.5 – 2.3 0.22 lb 1
1994-07-25 Survey seining 57.5 115
1994-07-25 Standard trap nets 0.2 (below normal) 0.3 – 0.8 4.35 lb 2
2013-07-22 Standard gill nets 0.3 (below normal) 0.5 – 2.3 2.64 lb 2
2023-07-24 Standard gill nets 0.2 (below normal) 0.5 – 2.3 1.44 lb 1
2023-07-24 Standard trap nets 0.1 (below normal) 0.3 – 0.8 0.40 lb 1

BIB

Date Gear CPUE Normal Range Avg Weight Total Catch
1989-07-25 Standard trap nets 0.3 8.90 lb 1
2013-07-22 Standard trap nets 0.1 10.34 lb 1

Hybrid Sunfish

Date Gear CPUE Normal Range Avg Weight Total Catch
2013-07-22 Standard trap nets 0.2 0.26 lb 2
2023-07-24 Standard trap nets 0.2 0.21 lb 2
2024-07-08 Standard trap nets 0.1 0.31 lb 1
2024-07-08 Backpack electrofishing 0.9 1

CNM

Date Gear CPUE Normal Range Total Catch
2023-06-28 Backpack electrofishing 23.0 31
2024-07-08 Backpack electrofishing 4.5 5
2024-07-08 15-ft beach seine 0.5 2

Johnny Darter

Date Gear CPUE Normal Range Total Catch
2023-06-28 Backpack electrofishing 7.4 10
2023-06-28 50-ft beach seine 1.7 5
2024-07-08 50-ft beach seine 0.7 2

BCS

Date Gear CPUE Normal Range Total Catch
2023-06-28 Backpack electrofishing 1.5 2

Golden Shiner

Date Gear CPUE Normal Range Total Catch
2024-07-08 50-ft beach seine 13.0 39
2024-07-08 Backpack electrofishing 0.9 1

Mottled Sculpin

Date Gear CPUE Normal Range Total Catch
2024-07-08 Backpack electrofishing 0.9 1

Iowa Darter

Date Gear CPUE Normal Range Total Catch
2024-07-08 50-ft beach seine 1.0 3

BST

Date Gear CPUE Normal Range Total Catch
2024-07-08 50-ft beach seine 0.3 1

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Fish Species

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

Black BullheadBlack CrappieBluegillBowfin (Dogfish)Brown BullheadHybrid SunfishLargemouth 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.