Twenty-one

Otter Tail County, Minnesota — DOW #56072800

82 Surveys

Special Regulations for Twenty-one

This lake has regulations that differ from statewide defaults. Always check before fishing.

142.11
Acres
47 ft
Max Depth
0
8
Fish Species
8
Local Guides

DNR Fish Surveys

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

Northern Pike

Date Gear CPUE Normal Range Avg Weight Total Catch
1983-07-05 Standard gill nets 7.7 (normal) 2.8 – 8.7 1.12 lb 23
1983-07-05 Standard trap nets 0.8 0.61 lb 4
2010-06-21 Standard gill nets 15.0 (above normal) 2.8 – 8.7 1.55 lb 90
2010-06-21 Standard trap nets 0.3 1.71 lb 3
2018-06-11 Standard gill nets 7.5 (normal) 2.8 – 8.7 2.41 lb 45
2018-06-11 Standard trap nets 0.9 2.45 lb 8
2004-06-28 Standard gill nets 14.0 (above normal) 2.8 – 8.7 1.93 lb 84
2004-06-28 Standard trap nets 0.6 1.91 lb 5
2001-06-25 Standard gill nets 9.5 (above normal) 2.8 – 8.7 2.85 lb 57
2001-06-25 Standard trap nets 0.8 0.95 lb 7
1991-07-11 Standard gill nets 7.3 (normal) 2.8 – 8.7 1.96 lb 22
1991-07-11 Standard trap nets 0.4 1.00 lb 2

Black Bullhead

Date Gear CPUE Normal Range Avg Weight Total Catch
1983-07-05 Standard gill nets 1.0 (normal) 0.5 – 11.0 1.47 lb 3
1983-07-05 Standard trap nets 0.6 (normal) 0.3 – 2.8 1.30 lb 3
2010-06-21 Standard gill nets 0.3 (below normal) 0.5 – 11.0 0.50 lb 2
2004-06-28 Standard trap nets 0.2 (below normal) 0.3 – 2.8 0.90 lb 2
2001-06-25 Standard gill nets 0.5 (normal) 0.5 – 11.0 0.83 lb 3
2001-06-25 Standard trap nets 1.0 (normal) 0.3 – 2.8 0.82 lb 9

Hybrid Sunfish

Date Gear CPUE Normal Range Avg Weight Total Catch
1983-07-05 Standard trap nets 2.0 0.49 lb 10
2010-06-21 Standard trap nets 3.7 0.46 lb 33
2018-06-11 Standard trap nets 4.3 0.56 lb 39
2018-06-11 Standard gill nets 0.2 0.61 lb 1
2004-06-28 Standard trap nets 0.9 0.47 lb 8
2001-06-25 Standard trap nets 1.1 0.41 lb 10
1991-07-11 Standard trap nets 5.4 0.26 lb 27
1991-07-11 Standard gill nets 0.7 0.15 lb 2

Bluegill

Date Gear CPUE Normal Range Avg Weight Total Catch
1983-07-05 Standard trap nets 1.2 (below normal) 5.7 – 40.5 0.58 lb 6
2010-06-21 Standard trap nets 34.3 (normal) 5.7 – 40.5 0.22 lb 309
2010-06-21 Standard gill nets 0.7 0.17 lb 4
2018-06-11 Standard trap nets 33.9 (normal) 5.7 – 40.5 0.21 lb 305
2018-06-11 Standard gill nets 0.5 0.55 lb 3
2004-06-28 Standard trap nets 21.1 (normal) 5.7 – 40.5 0.27 lb 190
2004-06-28 Standard gill nets 0.5 0.21 lb 3
2001-06-25 Standard trap nets 11.2 (normal) 5.7 – 40.5 0.18 lb 101
1991-07-11 Standard trap nets 43.0 (above normal) 5.7 – 40.5 0.21 lb 215
1991-07-11 Standard gill nets 6.0 0.24 lb 18

Largemouth Bass

Date Gear CPUE Normal Range Avg Weight Total Catch
1983-07-05 Standard trap nets 2.8 (above normal) 0.3 – 1.6 1.31 lb 14
2010-06-21 Standard trap nets 2.2 (above normal) 0.3 – 1.6 1.25 lb 20
2010-06-21 Standard gill nets 3.7 (above normal) 0.3 – 1.5 1.36 lb 22
2018-06-11 Standard trap nets 4.4 (above normal) 0.3 – 1.6 1.04 lb 40
2018-06-11 Standard gill nets 1.8 (above normal) 0.3 – 1.5 1.51 lb 11
2004-06-28 Standard trap nets 1.4 (normal) 0.3 – 1.6 1.26 lb 13
2004-06-28 Standard electrofishing 33.2 1.77 lb 25
2004-06-28 Standard gill nets 1.3 (normal) 0.3 – 1.5 1.60 lb 8
2001-06-25 Standard trap nets 0.6 (normal) 0.3 – 1.6 1.24 lb 5
2001-06-25 Standard gill nets 0.8 (normal) 0.3 – 1.5 1.85 lb 5
1991-07-11 Standard trap nets 1.4 (normal) 0.3 – 1.6 1.16 lb 7

Black Crappie

Date Gear CPUE Normal Range Avg Weight Total Catch
1983-07-05 Standard trap nets 0.6 (normal) 0.5 – 3.3 0.80 lb 3
2010-06-21 Standard gill nets 0.3 (below normal) 0.5 – 2.9 0.44 lb 2
2010-06-21 Special trap nets 7.8 0.83 lb 93
2010-06-21 Standard trap nets 2.2 (normal) 0.5 – 3.3 0.62 lb 20
2018-06-11 Standard gill nets 0.3 (below normal) 0.5 – 2.9 0.89 lb 2
2018-06-11 Standard trap nets 3.1 (normal) 0.5 – 3.3 0.86 lb 28
2004-06-28 Standard gill nets 0.3 (below normal) 0.5 – 2.9 0.58 lb 2
2004-06-28 Standard trap nets 1.6 (normal) 0.5 – 3.3 0.54 lb 14
2001-06-25 Standard gill nets 0.3 (below normal) 0.5 – 2.9 0.31 lb 2
2001-06-25 Standard trap nets 1.3 (normal) 0.5 – 3.3 0.48 lb 12
1991-07-11 Standard gill nets 2.7 (normal) 0.5 – 2.9 0.29 lb 8
1991-07-11 Standard trap nets 3.0 (normal) 0.5 – 3.3 0.25 lb 15

Yellow Perch

Date Gear CPUE Normal Range Avg Weight Total Catch
1983-07-05 Standard gill nets 2.0 (normal) 1.5 – 23.0 0.10 lb 6
2004-06-28 Standard gill nets 2.3 (normal) 1.5 – 23.0 0.06 lb 14
2001-06-25 Standard trap nets 0.2 (below normal) 0.5 – 3.8 0.28 lb 2
2001-06-25 Standard gill nets 1.2 (below normal) 1.5 – 23.0 0.07 lb 7

Yellow Bullhead

Date Gear CPUE Normal Range Avg Weight Total Catch
1983-07-05 Standard trap nets 14.0 (above normal) 1.0 – 8.4 0.63 lb 70
2010-06-21 Standard gill nets 0.5 (normal) 0.5 – 11.0 0.43 lb 3
2010-06-21 Standard trap nets 3.4 (normal) 1.0 – 8.4 0.65 lb 31
2018-06-11 Standard trap nets 2.0 (normal) 1.0 – 8.4 0.49 lb 18
2004-06-28 Standard gill nets 0.2 (below normal) 0.5 – 11.0 0.19 lb 1
2004-06-28 Standard trap nets 6.1 (normal) 1.0 – 8.4 0.51 lb 55
2001-06-25 Standard gill nets 0.2 (below normal) 0.5 – 11.0 0.28 lb 1
2001-06-25 Standard trap nets 2.6 (normal) 1.0 – 8.4 0.45 lb 23
1991-07-11 Standard gill nets 17.7 (above normal) 0.5 – 11.0 0.25 lb 53
1991-07-11 Standard trap nets 52.0 (above normal) 1.0 – 8.4 0.30 lb 260

Brown Bullhead

Date Gear CPUE Normal Range Avg Weight Total Catch
2010-06-21 Standard gill nets 0.2 (below normal) 0.5 – 2.2 2.08 lb 1
2018-06-11 Standard trap nets 0.3 (below normal) 0.5 – 2.2 1.29 lb 3
2004-06-28 Standard trap nets 0.4 (below normal) 0.5 – 2.2 1.18 lb 4
1991-07-11 Standard gill nets 0.7 (normal) 0.5 – 2.2 0.50 lb 2
1991-07-11 Standard trap nets 7.4 (above normal) 0.5 – 2.2 0.58 lb 37

Pumpkinseed

Date Gear CPUE Normal Range Avg Weight Total Catch
2018-06-11 Standard trap nets 0.8 (below normal) 1.3 – 6.3 0.26 lb 7
2004-06-28 Standard trap nets 0.1 (below normal) 1.3 – 6.3 0.34 lb 1
1991-07-11 Standard trap nets 2.0 (normal) 1.3 – 6.3 0.19 lb 10

White Sucker

Date Gear CPUE Normal Range Avg Weight Total Catch
1991-07-11 Standard gill nets 0.3 (below normal) 0.5 – 2.9 0.30 lb 1

Depth Maps & Lake Info

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Map & Directions

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Resorts & Lodges Near Twenty-one

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Fish Species

Species known to inhabit Twenty-one. Click any species for a full fishing guide.

Black CrappieBluegillBrown BullheadHybrid SunfishLargemouth BassNorthern PikePumpkinseedYellow Bullhead

Fishing Guides Near Twenty-one

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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.