South Twin

St. Louis County, Minnesota — DOW #69042000

117 Surveys
118.06
Acres
48 ft
Max Depth
0
9
Fish Species
33
Local Guides

DNR Fish Surveys

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

Common Shiner

Date Gear CPUE Normal Range Avg Weight Total Catch
1990-08-29 Standard trap nets 0.8 0.10 lb 4
1990-08-29 Standard gill nets 0.8 0.10 lb 5
2021-08-02 Standard trap nets 0.1 0.09 lb 1

Northern Pike

Date Gear CPUE Normal Range Avg Weight Total Catch
1990-08-29 Standard gill nets 1.2 (below normal) 1.2 – 5.7 3.41 lb 7
1990-08-29 Standard trap nets 0.8 2.60 lb 4
1975-06-30 Standard gill nets 1.5 (normal) 1.2 – 5.7 1.17 lb 3
1975-06-30 Standard trap nets 1.3 1.75 lb 4
2018-08-06 Standard gill nets 0.5 (below normal) 1.2 – 5.7 2.44 lb 3
2018-08-06 Standard trap nets 1.6 1.45 lb 14
2021-08-02 Standard gill nets 1.8 (normal) 1.2 – 5.7 3.27 lb 11
2021-08-02 Standard trap nets 1.4 2.09 lb 13
1984-08-23 Standard gill nets 0.8 (below normal) 1.2 – 5.7 3.63 lb 6
1993-08-02 Standard gill nets 0.8 (below normal) 1.2 – 5.7 3.91 lb 5
1993-08-02 Standard trap nets 1.0 2.32 lb 6
1993-08-02 Survey seining 0.5 1
2024-07-15 Standard gill nets 0.2 (below normal) 1.2 – 5.7 1.78 lb 1
2024-07-15 Standard trap nets 1.7 1.32 lb 15
2003-08-05 Standard gill nets 2.7 (normal) 1.2 – 5.7 2.30 lb 16
2003-08-05 Standard trap nets 1.9 1.69 lb 17
2012-07-18 Standard gill nets 1.0 (below normal) 1.2 – 5.7 2.28 lb 5
2012-07-18 Standard trap nets 1.6 1.56 lb 14

Black Crappie

Date Gear CPUE Normal Range Avg Weight Total Catch
1990-08-29 Standard gill nets 0.5 (below normal) 0.6 – 5.1 0.13 lb 3
1990-08-29 Standard trap nets 28.2 (above normal) 1.8 – 9.7 0.18 lb 141
1975-06-30 Standard trap nets 34.3 (above normal) 1.8 – 9.7 0.29 lb 103
2018-08-06 Standard gill nets 0.3 (below normal) 0.6 – 5.1 0.34 lb 2
2018-08-06 Standard trap nets 6.3 (normal) 1.8 – 9.7 0.46 lb 57
2021-08-02 Standard gill nets 0.2 (below normal) 0.6 – 5.1 0.05 lb 1
2021-08-02 Standard trap nets 8.3 (normal) 1.8 – 9.7 0.41 lb 75
1984-08-23 Standard gill nets 1.5 (normal) 0.6 – 5.1 0.16 lb 12
1993-08-02 Survey seining 2.0 4
1993-08-02 Standard gill nets 0.7 (normal) 0.6 – 5.1 0.24 lb 4
1993-08-02 Standard trap nets 5.3 (normal) 1.8 – 9.7 0.40 lb 32
2024-07-15 Standard trap nets 15.4 (above normal) 1.8 – 9.7 0.41 lb 139
2003-08-05 Standard gill nets 0.2 (below normal) 0.6 – 5.1 0.05 lb 1
2003-08-05 Standard trap nets 6.9 (normal) 1.8 – 9.7 0.52 lb 62
2012-07-18 Standard gill nets 0.4 (below normal) 0.6 – 5.1 0.04 lb 2
2012-07-18 Standard trap nets 9.3 (normal) 1.8 – 9.7 0.18 lb 84

White Sucker

Date Gear CPUE Normal Range Avg Weight Total Catch
1990-08-29 Standard gill nets 5.7 (normal) 1.6 – 7.6 0.57 lb 34
1990-08-29 Standard trap nets 0.4 (normal) 0.4 – 2.0 0.40 lb 2
1975-06-30 Standard gill nets 8.0 (above normal) 1.6 – 7.6 2.19 lb 16
1975-06-30 Standard trap nets 3.3 (above normal) 0.4 – 2.0 0.57 lb 10
2018-08-06 Standard gill nets 0.3 (below normal) 1.6 – 7.6 0.48 lb 2
2018-08-06 Standard trap nets 0.4 (normal) 0.4 – 2.0 1.17 lb 4
1984-08-23 Standard gill nets 2.8 (normal) 1.6 – 7.6 1.33 lb 22
1993-08-02 Standard gill nets 2.0 (normal) 1.6 – 7.6 1.70 lb 12
1993-08-02 Standard trap nets 0.3 (below normal) 0.4 – 2.0 5.76 lb 2
2024-07-15 Standard gill nets 0.7 (below normal) 1.6 – 7.6 0.72 lb 4
2003-08-05 Standard gill nets 0.7 (below normal) 1.6 – 7.6 0.19 lb 4
2003-08-05 Standard trap nets 0.1 (below normal) 0.4 – 2.0 0.30 lb 1
2012-07-18 Standard gill nets 0.6 (below normal) 1.6 – 7.6 0.39 lb 3

Bluegill

Date Gear CPUE Normal Range Avg Weight Total Catch
1990-08-29 Standard trap nets 8.0 (normal) 2.4 – 16.0 0.25 lb 40
1975-06-30 Standard trap nets 7.3 (normal) 2.4 – 16.0 0.25 lb 22
2018-08-06 Standard trap nets 2.6 (normal) 2.4 – 16.0 0.64 lb 23
2021-08-02 Standard trap nets 4.0 (normal) 2.4 – 16.0 0.26 lb 36
2021-08-02 Standard gill nets 0.3 0.03 lb 2
1984-08-23 Standard gill nets 0.1 0.20 lb 1
1993-08-02 Standard trap nets 2.5 (normal) 2.4 – 16.0 0.22 lb 15
2024-07-15 Standard trap nets 2.8 (normal) 2.4 – 16.0 0.34 lb 25
2003-08-05 Standard trap nets 2.2 (below normal) 2.4 – 16.0 0.40 lb 20
2012-07-18 Standard trap nets 1.6 (below normal) 2.4 – 16.0 0.14 lb 14

Yellow Perch

Date Gear CPUE Normal Range Avg Weight Total Catch
1990-08-29 Standard trap nets 2.2 (above normal) 0.5 – 2.1 0.11 lb 11
1990-08-29 Standard gill nets 8.8 (normal) 2.0 – 16.5 0.16 lb 53
1975-06-30 Standard trap nets 1.0 (normal) 0.5 – 2.1 0.25 lb 3
1975-06-30 Standard gill nets 28.5 (above normal) 2.0 – 16.5 0.23 lb 57
2018-08-06 Standard trap nets 0.4 (below normal) 0.5 – 2.1 0.30 lb 4
2018-08-06 Standard gill nets 1.7 (below normal) 2.0 – 16.5 0.14 lb 10
2021-08-02 Standard trap nets 0.1 (below normal) 0.5 – 2.1 0.08 lb 1
2021-08-02 Standard gill nets 2.3 (normal) 2.0 – 16.5 0.15 lb 14
1984-08-23 Standard gill nets 1.9 (below normal) 2.0 – 16.5 0.15 lb 15
1993-08-02 Standard trap nets 1.5 (normal) 0.5 – 2.1 0.13 lb 9
1993-08-02 Survey seining 20.0 40
1993-08-02 Standard gill nets 8.5 (normal) 2.0 – 16.5 0.17 lb 51
2024-07-15 Standard trap nets 0.1 (below normal) 0.5 – 2.1 0.13 lb 1
2024-07-15 Standard gill nets 0.3 (below normal) 2.0 – 16.5 0.21 lb 2
2003-08-05 Standard trap nets 0.4 (below normal) 0.5 – 2.1 0.08 lb 4
2003-08-05 Standard gill nets 6.7 (normal) 2.0 – 16.5 0.11 lb 40
2012-07-18 Standard gill nets 1.8 (below normal) 2.0 – 16.5 0.09 lb 9

Largemouth Bass

Date Gear CPUE Normal Range Avg Weight Total Catch
1990-08-29 Standard trap nets 0.8 (normal) 0.2 – 0.8 0.33 lb 4
1975-06-30 Standard trap nets 1.3 (above normal) 0.2 – 0.8 0.62 lb 4
1993-08-02 Survey seining 10.5 21

Walleye

Date Gear CPUE Normal Range Avg Weight Total Catch
1990-08-29 Standard gill nets 3.2 (normal) 0.8 – 5.0 1.79 lb 19
1990-08-29 Standard trap nets 1.2 (normal) 0.3 – 1.3 0.73 lb 6
2018-08-06 Standard gill nets 3.5 (normal) 0.8 – 5.0 0.60 lb 21
2018-08-06 Standard trap nets 1.6 (above normal) 0.3 – 1.3 0.57 lb 14
2021-08-02 Standard gill nets 0.7 (below normal) 0.8 – 5.0 1.49 lb 4
2021-08-02 Standard trap nets 1.3 (above normal) 0.3 – 1.3 0.62 lb 12
1984-08-23 Standard gill nets 1.5 (normal) 0.8 – 5.0 0.44 lb 12
1993-08-02 Standard gill nets 3.2 (normal) 0.8 – 5.0 0.43 lb 19
1993-08-02 Standard trap nets 2.8 (above normal) 0.3 – 1.3 0.51 lb 17
2024-07-15 Standard gill nets 0.5 (below normal) 0.8 – 5.0 2.45 lb 3
2024-07-15 Standard trap nets 1.3 (above normal) 0.3 – 1.3 0.77 lb 12
2003-08-05 Standard gill nets 1.0 (normal) 0.8 – 5.0 1.05 lb 6
2003-08-05 Standard trap nets 1.4 (above normal) 0.3 – 1.3 0.51 lb 13
2012-07-18 Standard gill nets 0.8 (normal) 0.8 – 5.0 0.82 lb 4
2012-07-18 Standard trap nets 1.2 (normal) 0.3 – 1.3 1.05 lb 11

Yellow Bullhead

Date Gear CPUE Normal Range Avg Weight Total Catch
1990-08-29 Standard gill nets 0.3 (normal) 0.3 – 2.0 0.40 lb 2
2018-08-06 Standard gill nets 2.5 (above normal) 0.3 – 2.0 0.37 lb 15
2018-08-06 Standard trap nets 0.6 (normal) 0.4 – 2.6 0.89 lb 5
2021-08-02 Standard gill nets 3.5 (above normal) 0.3 – 2.0 0.44 lb 21
2021-08-02 Standard trap nets 1.0 (normal) 0.4 – 2.6 0.68 lb 9
1993-08-02 Standard gill nets 0.2 (below normal) 0.3 – 2.0 0.73 lb 1
2024-07-15 Standard gill nets 1.5 (normal) 0.3 – 2.0 0.56 lb 9
2024-07-15 Standard trap nets 2.8 (above normal) 0.4 – 2.6 0.69 lb 25
2012-07-18 Standard gill nets 0.2 (below normal) 0.3 – 2.0 0.66 lb 1
2012-07-18 Standard trap nets 0.2 (below normal) 0.4 – 2.6 1.01 lb 2

Pumpkinseed

Date Gear CPUE Normal Range Avg Weight Total Catch
1975-06-30 Standard trap nets 1.7 (normal) 0.4 – 3.8 0.20 lb 5

Black Bullhead

Date Gear CPUE Normal Range Avg Weight Total Catch
2018-08-06 Standard trap nets 0.4 (normal) 0.4 – 18.6 0.12 lb 4
2024-07-15 Standard trap nets 0.3 (below normal) 0.4 – 18.6 0.79 lb 3
2012-07-18 Standard trap nets 1.1 (normal) 0.4 – 18.6 0.15 lb 10

Burbot

Date Gear CPUE Normal Range Avg Weight Total Catch
1984-08-23 Standard gill nets 0.1 (normal) 0.1 – 0.3 1.00 lb 1
1993-08-02 Standard gill nets 0.2 (normal) 0.1 – 0.3 1.54 lb 1
2024-07-15 Standard gill nets 0.3 (above normal) 0.1 – 0.3 0.90 lb 2
2003-08-05 Standard gill nets 0.3 (above normal) 0.1 – 0.3 1.50 lb 2

Brown Bullhead

Date Gear CPUE Normal Range Avg Weight Total Catch
1984-08-23 Standard gill nets 0.8 (normal) 0.4 – 3.1 0.42 lb 6
2003-08-05 Standard gill nets 0.7 (normal) 0.4 – 3.1 0.39 lb 4
2003-08-05 Standard trap nets 0.1 (below normal) 0.3 – 11.3 0.44 lb 1

Johnny Darter

Date Gear CPUE Normal Range Total Catch
1993-08-02 Survey seining 2.0 4

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Fish Species

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

Black BullheadBlack CrappieBluegillBurbotNorthern PikeWalleyeWhite 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.