Long

Cass County, Minnesota — DOW #11025800

156 Surveys
246.3
Acres
37 ft
Max Depth
0
12
Fish Species
25
Local Guides

DNR Fish Surveys

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

Johnny Darter

Date Gear CPUE Normal Range Total Catch
2024-06-24 50-ft beach seine 0.1 1
2024-06-24 Backpack electrofishing 0.8 1

Yellow Bullhead

Date Gear CPUE Normal Range Avg Weight Total Catch
2024-06-24 Backpack electrofishing 3.0 4
2024-06-24 Standard trap nets 3.1 (normal) 2.7 – 13.5 0.49 lb 28
2023-07-05 Standard gill nets 9.8 (normal) 2.1 – 15.8 0.53 lb 59
2023-07-05 Standard trap nets 5.0 (normal) 2.7 – 13.5 0.57 lb 45
1985-08-12 Standard gill nets 4.8 (normal) 2.1 – 15.8 0.58 lb 24
1985-08-12 Standard trap nets 3.3 (normal) 2.7 – 13.5 0.48 lb 20
2000-08-28 Standard gill nets 8.0 (normal) 2.1 – 15.8 0.48 lb 48
2000-08-28 Standard trap nets 1.9 (below normal) 2.7 – 13.5 0.60 lb 17
1990-08-13 Standard gill nets 3.6 (normal) 2.1 – 15.8 0.50 lb 18
1990-08-13 Standard trap nets 3.5 (normal) 2.7 – 13.5 0.58 lb 21
1995-08-14 Standard gill nets 1.5 (below normal) 2.1 – 15.8 0.75 lb 9
1995-08-14 Standard trap nets 0.7 (below normal) 2.7 – 13.5 0.76 lb 6
2015-06-10 Standard gill nets 6.3 (normal) 2.1 – 15.8 0.50 lb 38
2015-06-10 Standard trap nets 7.1 (normal) 2.7 – 13.5 0.50 lb 57

Rock Bass

Date Gear CPUE Normal Range Avg Weight Total Catch
2024-06-24 50-ft beach seine 0.9 8
2024-06-24 Backpack electrofishing 3.7 5
2023-07-05 Standard gill nets 1.2 (normal) 0.5 – 1.7 0.42 lb 7
1985-08-12 Standard gill nets 2.8 (above normal) 0.5 – 1.7 0.53 lb 14
1985-08-12 Standard trap nets 0.5 (normal) 0.4 – 1.7 0.87 lb 3
2000-08-28 Standard gill nets 0.8 (normal) 0.5 – 1.7 0.77 lb 5
2000-08-28 Standard trap nets 0.2 (below normal) 0.4 – 1.7 0.56 lb 2
1990-08-13 Standard trap nets 0.2 (below normal) 0.4 – 1.7 0.90 lb 1
1990-08-13 Standard gill nets 1.2 (normal) 0.5 – 1.7 0.85 lb 6
1995-08-14 Survey seining 1.0 0.02 lb 3
1995-08-14 Standard gill nets 0.7 (normal) 0.5 – 1.7 0.80 lb 4
1995-08-14 Standard trap nets 0.1 (below normal) 0.4 – 1.7 0.77 lb 1
2015-06-10 Standard gill nets 0.2 (below normal) 0.5 – 1.7 0.31 lb 1
2015-06-10 Standard trap nets 0.3 (below normal) 0.4 – 1.7 0.33 lb 2

Northern Pike

Date Gear CPUE Normal Range Avg Weight Total Catch
2024-06-24 50-ft beach seine 0.4 4
2024-06-24 Standard trap nets 0.6 0.95 lb 5
2023-07-05 Standard gill nets 12.0 (above normal) 3.5 – 8.9 1.68 lb 72
2023-07-05 Standard trap nets 1.0 1.15 lb 9
1985-08-12 Standard gill nets 9.0 (above normal) 3.5 – 8.9 2.42 lb 45
1985-08-12 Standard trap nets 1.0 2.80 lb 6
2000-08-28 Standard gill nets 7.7 (normal) 3.5 – 8.9 1.75 lb 46
2000-08-28 Standard trap nets 0.8 2.10 lb 7
1990-08-13 Standard gill nets 12.0 (above normal) 3.5 – 8.9 1.28 lb 60
1990-08-13 Standard trap nets 1.0 1.22 lb 6
1995-08-14 Standard gill nets 9.0 (above normal) 3.5 – 8.9 1.28 lb 54
1995-08-14 Standard trap nets 1.4 1.75 lb 13
1995-08-14 Survey seining 0.7 0.04 lb 2
2015-06-10 Standard gill nets 7.7 (normal) 3.5 – 8.9 1.33 lb 46
2015-06-10 Standard trap nets 0.3 1.17 lb 2

Largemouth Bass

Date Gear CPUE Normal Range Avg Weight Total Catch
2024-06-24 50-ft beach seine 7.2 65
2024-06-24 15-ft beach seine 1.0 1
2024-06-24 Backpack electrofishing 0.8 1
2024-06-24 Standard trap nets 0.2 (below normal) 0.3 – 1.4 1.03 lb 2
2023-07-05 Standard trap nets 0.8 (normal) 0.3 – 1.4 0.84 lb 7
2023-07-05 Standard gill nets 5.7 (above normal) 0.4 – 1.6 1.26 lb 34
1985-08-12 Standard gill nets 1.6 (normal) 0.4 – 1.6 1.04 lb 8
1985-08-12 Standard trap nets 1.0 (normal) 0.3 – 1.4 0.92 lb 6
2000-08-28 Standard electrofishing 42.5 0.92 lb 52
2000-08-28 Standard gill nets 1.5 (normal) 0.4 – 1.6 0.56 lb 9
2000-08-28 Standard trap nets 0.2 (below normal) 0.3 – 1.4 0.41 lb 2
1990-08-13 Standard trap nets 2.0 (above normal) 0.3 – 1.4 0.55 lb 12
1990-08-13 Standard gill nets 1.8 (above normal) 0.4 – 1.6 1.29 lb 9
1995-08-14 Standard electrofishing 69.0 0.99 lb 67
1995-08-14 Survey seining 9.0 0.02 lb 27
1995-08-14 Standard gill nets 1.5 (normal) 0.4 – 1.6 1.34 lb 9
1995-08-14 Standard trap nets 0.8 (normal) 0.3 – 1.4 0.09 lb 7
2015-06-10 Standard electrofishing 36.8 1.01 lb 49
2015-06-10 Standard gill nets 3.8 (above normal) 0.4 – 1.6 1.07 lb 23
2015-06-10 Standard trap nets 0.3 (below normal) 0.3 – 1.4 0.46 lb 2

Bluntnose Minnow

Date Gear CPUE Normal Range Total Catch
2024-06-24 15-ft beach seine 1.0 1
2024-06-24 Backpack electrofishing 20.9 28
2024-06-24 50-ft beach seine 30.6 275

Smallmouth Bass

Date Gear CPUE Normal Range Avg Weight Total Catch
2024-06-24 50-ft beach seine 0.4 4
2015-06-10 Standard electrofishing 0.8 2.58 lb 1

Bluegill

Date Gear CPUE Normal Range Avg Weight Total Catch
2024-06-24 Backpack electrofishing 28.3 38
2024-06-24 Standard trap nets 7.2 (below normal) 9.5 – 57.3 0.26 lb 65
2024-06-24 50-ft beach seine 174.4 1570
2024-06-24 15-ft beach seine 1.0 1
2023-07-05 Standard trap nets 6.9 (below normal) 9.5 – 57.3 0.23 lb 62
2023-07-05 Standard gill nets 4.2 0.27 lb 25
1985-08-12 Standard gill nets 26.8 0.15 lb 134
1985-08-12 Standard trap nets 11.8 (normal) 9.5 – 57.3 0.31 lb 71
2000-08-28 Standard gill nets 19.7 0.10 lb 118
2000-08-28 Standard trap nets 5.2 (below normal) 9.5 – 57.3 0.15 lb 47
1990-08-13 Standard trap nets 14.5 (normal) 9.5 – 57.3 0.15 lb 87
1990-08-13 Standard gill nets 9.4 0.08 lb 47
1995-08-14 Survey seining 81.3 0.06 lb 244
1995-08-14 Standard gill nets 13.8 0.10 lb 83
1995-08-14 Standard trap nets 12.6 (normal) 9.5 – 57.3 0.11 lb 113
2015-06-10 Standard gill nets 8.5 0.12 lb 51
2015-06-10 Standard trap nets 17.5 (normal) 9.5 – 57.3 0.11 lb 140

BCS

Date Gear CPUE Normal Range Total Catch
2024-06-24 50-ft beach seine 0.6 5

Pumpkinseed

Date Gear CPUE Normal Range Avg Weight Total Catch
2024-06-24 Backpack electrofishing 0.8 1
2024-06-24 Standard trap nets 0.4 (below normal) 1.5 – 6.8 0.19 lb 4
2024-06-24 50-ft beach seine 0.7 6
2023-07-05 Standard gill nets 0.7 0.31 lb 4
2023-07-05 Standard trap nets 0.6 (below normal) 1.5 – 6.8 0.28 lb 5
1985-08-12 Standard gill nets 4.8 0.19 lb 24
1985-08-12 Standard trap nets 0.7 (below normal) 1.5 – 6.8 0.17 lb 4
2000-08-28 Standard gill nets 0.5 0.11 lb 3
2000-08-28 Standard trap nets 0.3 (below normal) 1.5 – 6.8 0.15 lb 3
1990-08-13 Standard gill nets 1.8 0.13 lb 9
1990-08-13 Standard trap nets 0.3 (below normal) 1.5 – 6.8 0.15 lb 2
1995-08-14 Survey seining 1.0 0.02 lb 3
1995-08-14 Standard trap nets 0.6 (below normal) 1.5 – 6.8 0.11 lb 5
2015-06-10 Standard gill nets 0.7 0.18 lb 4
2015-06-10 Standard trap nets 0.4 (below normal) 1.5 – 6.8 0.21 lb 3

Hybrid Sunfish

Date Gear CPUE Normal Range Avg Weight Total Catch
2024-06-24 Standard trap nets 0.1 0.35 lb 1
2023-07-05 Standard trap nets 0.1 0.53 lb 1
2015-06-10 Standard gill nets 0.3 0.18 lb 2

Yellow Perch

Date Gear CPUE Normal Range Avg Weight Total Catch
2024-06-24 15-ft beach seine 2.0 2
1985-08-12 Standard trap nets 0.3 (normal) 0.3 – 1.2 0.15 lb 2
1985-08-12 Standard gill nets 3.0 (normal) 1.0 – 10.3 0.15 lb 15
2000-08-28 Standard trap nets 0.1 (below normal) 0.3 – 1.2 0.07 lb 1
2000-08-28 Standard gill nets 0.2 (below normal) 1.0 – 10.3 0.08 lb 1
1995-08-14 Survey seining 1.7 0.04 lb 5

Black Crappie

Date Gear CPUE Normal Range Avg Weight Total Catch
2024-06-24 Standard trap nets 0.9 (normal) 0.8 – 4.0 0.32 lb 8
2024-06-24 50-ft beach seine 0.1 1
2023-07-05 Standard gill nets 1.2 (normal) 1.0 – 3.9 0.46 lb 7
2023-07-05 Standard trap nets 0.7 (below normal) 0.8 – 4.0 0.55 lb 6
1985-08-12 Standard gill nets 2.6 (normal) 1.0 – 3.9 0.29 lb 13
1985-08-12 Standard trap nets 1.7 (normal) 0.8 – 4.0 0.48 lb 10
2000-08-28 Standard electrofishing 67.1 0.36 lb 82
2000-08-28 Standard gill nets 1.7 (normal) 1.0 – 3.9 0.21 lb 10
2000-08-28 Standard trap nets 1.0 (normal) 0.8 – 4.0 0.45 lb 9
1990-08-13 Standard gill nets 0.4 (below normal) 1.0 – 3.9 0.40 lb 2
1990-08-13 Standard trap nets 3.0 (normal) 0.8 – 4.0 0.53 lb 18
1995-08-14 Standard electrofishing 9.3 0.58 lb 9
1995-08-14 Standard gill nets 1.7 (normal) 1.0 – 3.9 0.20 lb 10
1995-08-14 Standard trap nets 0.2 (below normal) 0.8 – 4.0 0.15 lb 2
2015-06-10 Standard gill nets 4.5 (above normal) 1.0 – 3.9 0.29 lb 27
2015-06-10 Standard trap nets 0.8 (below normal) 0.8 – 4.0 0.24 lb 6

Brown Bullhead

Date Gear CPUE Normal Range Avg Weight Total Catch
2024-06-24 Standard trap nets 0.1 (below normal) 0.6 – 2.6 1.19 lb 1
2023-07-05 Standard gill nets 1.2 (normal) 0.4 – 2.5 0.98 lb 7
1985-08-12 Standard trap nets 1.0 (normal) 0.6 – 2.6 0.65 lb 6
1985-08-12 Standard gill nets 1.8 (normal) 0.4 – 2.5 1.09 lb 9
2000-08-28 Standard gill nets 1.3 (normal) 0.4 – 2.5 0.82 lb 8
1990-08-13 Standard gill nets 1.0 (normal) 0.4 – 2.5 1.08 lb 5
1990-08-13 Standard trap nets 0.7 (normal) 0.6 – 2.6 0.72 lb 4
1995-08-14 Standard trap nets 0.3 (below normal) 0.6 – 2.6 0.78 lb 3
1995-08-14 Standard gill nets 0.3 (below normal) 0.4 – 2.5 1.61 lb 2
2015-06-10 Standard trap nets 0.4 (below normal) 0.6 – 2.6 0.63 lb 3
2015-06-10 Standard gill nets 1.0 (normal) 0.4 – 2.5 0.82 lb 6

LED

Date Gear CPUE Normal Range Total Catch
2024-06-24 Backpack electrofishing 0.8 1

CNM

Date Gear CPUE Normal Range Total Catch
2024-06-24 Backpack electrofishing 0.8 1
2024-06-24 50-ft beach seine 0.1 1

BNS

Date Gear CPUE Normal Range Total Catch
2024-06-24 Backpack electrofishing 0.8 1
2024-06-24 50-ft beach seine 2.4 22

Iowa Darter

Date Gear CPUE Normal Range Total Catch
2024-06-24 Backpack electrofishing 3.0 4
2024-06-24 50-ft beach seine 1.4 13

Tadpole Madtom

Date Gear CPUE Normal Range Total Catch
2024-06-24 Backpack electrofishing 3.0 4

Walleye

Date Gear CPUE Normal Range Avg Weight Total Catch
2023-07-05 Standard gill nets 0.2 (below normal) 0.5 – 2.3 4.21 lb 1
2000-08-28 Standard gill nets 1.0 (normal) 0.5 – 2.3 2.97 lb 6
2000-08-28 Standard trap nets 0.2 (below normal) 0.3 – 0.5 3.06 lb 2
1990-08-13 Standard gill nets 1.6 (normal) 0.5 – 2.3 2.77 lb 8
1995-08-14 Standard gill nets 0.3 (below normal) 0.5 – 2.3 4.46 lb 2
2015-06-10 Standard gill nets 0.5 (normal) 0.5 – 2.3 5.21 lb 3

Black Bullhead

Date Gear CPUE Normal Range Avg Weight Total Catch
2000-08-28 Standard gill nets 0.2 (below normal) 0.4 – 3.1 0.68 lb 1

Golden Shiner

Date Gear CPUE Normal Range Avg Weight Total Catch
1995-08-14 Standard gill nets 0.2 (below normal) 0.5 – 1.5 0.09 lb 1

White Sucker

Date Gear CPUE Normal Range Avg Weight Total Catch
1995-08-14 Standard gill nets 0.2 (below normal) 0.3 – 1.7 2.54 lb 1

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Fish Species

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

Black CrappieBluegillBrown BullheadHybrid SunfishLargemouth BassNorthern PikePumpkinseedRock BassSmallmouth BassWalleyeYellow 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.