Mary

Todd County, Minnesota — DOW #77001900

197 Surveys

Special Regulations for Mary

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

Invasive Species Alert

Mary has confirmed populations of:

Clean, drain, and dry all equipment before moving to another water body. It's the law in Minnesota.

129.1
Acres
58 ft
Max Depth
0
15
Fish Species
0
Local Guides

DNR Fish Surveys

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

Bluegill

Date Gear CPUE Normal Range Avg Weight Total Catch
2000-07-10 Standard gill nets 8.3 0.10 lb 50
2000-07-10 Survey seining 77.7 233
2000-07-10 Standard trap nets 105.0 (above normal) 5.9 – 43.3 0.03 lb 945
2017-07-03 Standard gill nets 7.3 0.07 lb 44
2017-07-03 Special trap nets 88.3 0.05 lb 1060
2012-05-21 Special trap nets 30.1 0.17 lb 361
1989-07-31 Standard gill nets 8.7 0.15 lb 52
1989-07-31 Standard trap nets 62.8 (above normal) 5.9 – 43.3 0.10 lb 251
2006-07-05 Standard gill nets 6.7 0.21 lb 40
2020-06-16 Standard electrofishing 185.5 0.20 lb 201
2021-05-19 Special trap nets 41.1 0.16 lb 493
2023-07-03 Standard trap nets 8.7 (normal) 5.9 – 43.3 0.14 lb 78
1994-07-11 Standard gill nets 20.2 0.11 lb 121
1994-07-11 Survey seining 66.0 198
1994-07-11 Standard trap nets 98.1 (above normal) 5.9 – 43.3 0.04 lb 883
1984-07-30 Standard gill nets 4.5 0.16 lb 27
1984-07-30 Standard trap nets 90.5 (above normal) 5.9 – 43.3 0.12 lb 362

Pumpkinseed

Date Gear CPUE Normal Range Avg Weight Total Catch
2000-07-10 Standard gill nets 0.5 0.12 lb 3
2000-07-10 Survey seining 1.7 5
2000-07-10 Standard trap nets 3.6 (normal) 1.5 – 9.1 0.09 lb 32
2017-07-03 Standard gill nets 0.2 0.11 lb 1
2017-07-03 Special trap nets 1.9 0.15 lb 23
2012-05-21 Special trap nets 2.0 0.17 lb 24
1989-07-31 Standard gill nets 0.3 0.15 lb 2
1989-07-31 Standard trap nets 9.0 (normal) 1.5 – 9.1 0.08 lb 36
2006-07-05 Standard gill nets 0.2 0.06 lb 1
2021-05-19 Special trap nets 0.6 0.15 lb 7
2023-07-03 Standard trap nets 0.1 (below normal) 1.5 – 9.1 0.12 lb 1
1994-07-11 Standard gill nets 0.2 1
1994-07-11 Survey seining 14.7 44
1994-07-11 Standard trap nets 1.4 (below normal) 1.5 – 9.1 0.12 lb 13
1984-07-30 Standard gill nets 0.3 0.15 lb 2
1984-07-30 Standard trap nets 2.5 (normal) 1.5 – 9.1 0.13 lb 10

Yellow Bullhead

Date Gear CPUE Normal Range Avg Weight Total Catch
2000-07-10 Standard trap nets 3.6 (normal) 2.4 – 9.1 0.66 lb 32
2000-07-10 Standard gill nets 7.8 (normal) 1.0 – 8.0 0.68 lb 47
2017-07-03 Standard gill nets 0.2 (below normal) 1.0 – 8.0 0.15 lb 1
2017-07-03 Special trap nets 0.2 0.10 lb 2
2012-05-21 Special trap nets 0.7 0.60 lb 8
1989-07-31 Standard gill nets 8.3 (above normal) 1.0 – 8.0 0.53 lb 50
1989-07-31 Standard trap nets 5.8 (normal) 2.4 – 9.1 0.48 lb 23
2021-05-19 Special trap nets 1.3 0.15 lb 16
2023-07-03 Standard gill nets 0.2 (below normal) 1.0 – 8.0 0.80 lb 1
1994-07-11 Standard trap nets 4.0 (normal) 2.4 – 9.1 0.67 lb 36
1994-07-11 Standard gill nets 8.8 (above normal) 1.0 – 8.0 0.64 lb 53
1994-07-11 Survey seining 0.3 1
1984-07-30 Standard gill nets 4.7 (normal) 1.0 – 8.0 0.43 lb 28
1984-07-30 Standard trap nets 5.5 (normal) 2.4 – 9.1 0.53 lb 22

Bowfin

Date Gear CPUE Normal Range Avg Weight Total Catch
2000-07-10 Standard gill nets 0.8 (normal) 0.3 – 1.5 2.96 lb 5
2000-07-10 Standard trap nets 1.8 (above normal) 0.3 – 1.1 3.02 lb 16
2017-07-03 Special trap nets 0.7 4.64 lb 8
2012-05-21 Special trap nets 1.3 3.62 lb 15
1989-07-31 Standard gill nets 0.5 (normal) 0.3 – 1.5 2.57 lb 3
1989-07-31 Standard trap nets 0.3 (below normal) 0.3 – 1.1 5.00 lb 1
2006-07-05 Standard gill nets 0.7 (normal) 0.3 – 1.5 2.95 lb 4
2023-07-03 Standard trap nets 0.1 (below normal) 0.3 – 1.1 3.75 lb 1
1994-07-11 Standard gill nets 0.5 (normal) 0.3 – 1.5 2.94 lb 3
1994-07-11 Standard trap nets 0.7 (normal) 0.3 – 1.1 3.26 lb 6
1984-07-30 Standard gill nets 0.2 (below normal) 0.3 – 1.5 3.80 lb 1
1984-07-30 Standard trap nets 0.8 (normal) 0.3 – 1.1 3.50 lb 3

Hybrid Sunfish

Date Gear CPUE Normal Range Avg Weight Total Catch
2000-07-10 Standard gill nets 0.3 0.06 lb 2
2000-07-10 Survey seining 5.3 16
2000-07-10 Standard trap nets 4.9 0.12 lb 44
2017-07-03 Special trap nets 5.6 0.25 lb 67
2012-05-21 Special trap nets 1.1 0.29 lb 13
1989-07-31 Standard gill nets 0.7 0.20 lb 4
1989-07-31 Standard trap nets 13.3 0.08 lb 53
2021-05-19 Special trap nets 0.2 0.21 lb 2
2023-07-03 Standard trap nets 1.3 0.19 lb 12
1994-07-11 Standard gill nets 2.2 0.13 lb 13
1994-07-11 Survey seining 25.0 75
1994-07-11 Standard trap nets 15.4 0.13 lb 139
1984-07-30 Standard trap nets 3.3 0.12 lb 13

Black Crappie

Date Gear CPUE Normal Range Avg Weight Total Catch
2000-07-10 Standard gill nets 0.5 (below normal) 0.8 – 8.4 0.02 lb 3
2000-07-10 Survey seining 0.3 1
2000-07-10 Standard trap nets 1.2 (normal) 0.9 – 8.0 0.28 lb 11
2000-07-10 Standard electrofishing 5.6 0.45 lb 8
2017-07-03 Standard gill nets 5.7 (normal) 0.8 – 8.4 0.07 lb 34
2017-07-03 Special trap nets 40.5 0.03 lb 486
2012-05-21 Special trap nets 6.2 0.22 lb 74
1989-07-31 Standard gill nets 1.5 (normal) 0.8 – 8.4 0.24 lb 9
1989-07-31 Standard trap nets 2.5 (normal) 0.9 – 8.0 0.13 lb 10
2006-07-05 Standard gill nets 0.5 (below normal) 0.8 – 8.4 0.03 lb 3
2020-06-16 Standard electrofishing 17.5 0.20 lb 19
2021-05-19 Special trap nets 66.9 0.07 lb 803
2023-07-03 Standard gill nets 0.5 (below normal) 0.8 – 8.4 0.42 lb 3
2023-07-03 Standard trap nets 1.4 (normal) 0.9 – 8.0 0.37 lb 13
1994-07-11 Standard gill nets 1.5 (normal) 0.8 – 8.4 0.16 lb 9
1994-07-11 Standard trap nets 2.7 (normal) 0.9 – 8.0 0.23 lb 24
1984-07-30 Standard gill nets 3.0 (normal) 0.8 – 8.4 0.26 lb 18
1984-07-30 Standard trap nets 2.5 (normal) 0.9 – 8.0 0.26 lb 10

Black Bullhead

Date Gear CPUE Normal Range Avg Weight Total Catch
2000-07-10 Standard gill nets 0.3 (below normal) 3.1 – 47.6 0.34 lb 2
2017-07-03 Standard gill nets 23.2 (normal) 3.1 – 47.6 0.17 lb 139
2017-07-03 Special trap nets 12.6 0.01 lb 151
1989-07-31 Standard gill nets 2.0 (below normal) 3.1 – 47.6 0.68 lb 12
2021-05-19 Special trap nets 6.7 0.07 lb 80
2023-07-03 Standard gill nets 2.7 (below normal) 3.1 – 47.6 0.40 lb 16
1994-07-11 Standard gill nets 0.8 (below normal) 3.1 – 47.6 0.80 lb 5
1994-07-11 Standard trap nets 0.3 (below normal) 1.0 – 29.9 0.83 lb 3
1984-07-30 Standard trap nets 8.5 (normal) 1.0 – 29.9 0.21 lb 34
1984-07-30 Standard gill nets 43.8 (normal) 3.1 – 47.6 0.18 lb 263

Brown Bullhead

Date Gear CPUE Normal Range Avg Weight Total Catch
2000-07-10 Standard gill nets 0.2 (below normal) 0.5 – 5.5 0.62 lb 1
2000-07-10 Standard trap nets 0.2 (below normal) 0.6 – 5.2 0.58 lb 2
2017-07-03 Special trap nets 0.2 0.42 lb 2
2012-05-21 Special trap nets 0.2 0.45 lb 2
1989-07-31 Standard gill nets 0.2 (below normal) 0.5 – 5.5 1.00 lb 1
2021-05-19 Special trap nets 0.3 0.10 lb 4
2023-07-03 Standard gill nets 0.3 (below normal) 0.5 – 5.5 0.64 lb 2
1994-07-11 Standard trap nets 0.6 (below normal) 0.6 – 5.2 1.10 lb 5
1984-07-30 Standard trap nets 1.3 (normal) 0.6 – 5.2 0.60 lb 5

Largemouth Bass

Date Gear CPUE Normal Range Avg Weight Total Catch
2000-07-10 Standard electrofishing 67.7 0.58 lb 97
2000-07-10 Standard gill nets 0.3 (normal) 0.3 – 1.5 0.66 lb 2
2000-07-10 Survey seining 8.0 24
2000-07-10 Standard trap nets 1.7 (above normal) 0.3 – 1.0 0.37 lb 15
2017-07-03 Standard electrofishing 89.4 0.90 lb 171
2017-07-03 Standard gill nets 0.7 (normal) 0.3 – 1.5 0.73 lb 4
2017-07-03 Special trap nets 0.4 0.41 lb 5
2012-05-21 Special trap nets 0.3 0.95 lb 4
1989-07-31 Standard gill nets 1.0 (normal) 0.3 – 1.5 0.83 lb 6
1989-07-31 Standard trap nets 1.8 (above normal) 0.3 – 1.0 0.34 lb 7
2006-07-05 Standard gill nets 1.0 (normal) 0.3 – 1.5 0.29 lb 6
1994-07-11 Standard gill nets 0.7 (normal) 0.3 – 1.5 0.77 lb 4
1994-07-11 Survey seining 17.0 51
1994-07-11 Standard trap nets 1.7 (above normal) 0.3 – 1.0 0.17 lb 15
1984-07-30 Standard gill nets 0.3 (normal) 0.3 – 1.5 0.85 lb 2
1984-07-30 Standard trap nets 0.5 (normal) 0.3 – 1.0 0.10 lb 2

Walleye

Date Gear CPUE Normal Range Avg Weight Total Catch
2000-07-10 Standard gill nets 1.3 (normal) 1.2 – 5.3 3.21 lb 8
2000-07-10 Standard trap nets 0.7 (normal) 0.3 – 0.8 2.36 lb 6
2000-07-10 Standard electrofishing 1.4 1.09 lb 2
2017-07-03 Standard gill nets 1.7 (normal) 1.2 – 5.3 1.62 lb 10
2012-05-21 Special trap nets 0.7 5.70 lb 8
1989-07-31 Standard gill nets 3.7 (normal) 1.2 – 5.3 1.75 lb 22
1989-07-31 Standard trap nets 0.8 (normal) 0.3 – 0.8 3.17 lb 3
2006-07-05 Standard gill nets 0.5 (below normal) 1.2 – 5.3 5.05 lb 3
2020-06-16 Standard electrofishing 2.8 0.05 lb 3
2021-05-19 Special trap nets 0.2 0.30 lb 2
1994-07-11 Standard gill nets 1.0 (below normal) 1.2 – 5.3 3.62 lb 6
1984-07-30 Standard gill nets 4.2 (normal) 1.2 – 5.3 1.71 lb 25
1984-07-30 Standard trap nets 1.5 (above normal) 0.3 – 0.8 1.58 lb 6

Green Sunfish

Date Gear CPUE Normal Range Avg Weight Total Catch
2000-07-10 Survey seining 3.7 11
2000-07-10 Standard trap nets 1.6 (above normal) 0.2 – 1.2 0.05 lb 14
2017-07-03 Special trap nets 0.3 0.07 lb 4
2012-05-21 Special trap nets 0.3 0.12 lb 3
1989-07-31 Standard trap nets 0.8 (normal) 0.2 – 1.2 0.10 lb 3
2023-07-03 Standard trap nets 0.2 (normal) 0.2 – 1.2 0.05 lb 2
1994-07-11 Survey seining 3.3 10
1994-07-11 Standard trap nets 0.1 (below normal) 0.2 – 1.2 0.09 lb 1

Brook Trout

Date Gear CPUE Normal Range Total Catch
2000-07-10 Survey seining 2.7 8
1994-07-11 Survey seining 116.7 350

Iowa Darter

Date Gear CPUE Normal Range Total Catch
2000-07-10 Survey seining 0.7 2
1994-07-11 Survey seining 2.3 7

BKF

Date Gear CPUE Normal Range Total Catch
2000-07-10 Survey seining 17.7 53
1994-07-11 Survey seining 2.7 8

Yellow Perch

Date Gear CPUE Normal Range Avg Weight Total Catch
2000-07-10 Standard gill nets 18.0 (normal) 3.7 – 28.4 0.11 lb 108
2000-07-10 Standard trap nets 1.6 (normal) 0.5 – 3.7 0.14 lb 14
2017-07-03 Standard gill nets 3.8 (normal) 3.7 – 28.4 0.11 lb 23
2017-07-03 Special trap nets 0.8 0.25 lb 9
2012-05-21 Special trap nets 0.3 0.17 lb 3
1989-07-31 Standard trap nets 0.5 (normal) 0.5 – 3.7 0.15 lb 2
1989-07-31 Standard gill nets 5.5 (normal) 3.7 – 28.4 0.17 lb 33
2006-07-05 Standard gill nets 4.0 (normal) 3.7 – 28.4 0.12 lb 24
2021-05-19 Special trap nets 0.8 0.19 lb 9
2023-07-03 Standard trap nets 0.2 (below normal) 0.5 – 3.7 0.16 lb 2
2023-07-03 Standard gill nets 0.2 (below normal) 3.7 – 28.4 0.17 lb 1
1994-07-11 Standard gill nets 51.8 (above normal) 3.7 – 28.4 0.07 lb 311
1994-07-11 Survey seining 0.7 2
1994-07-11 Standard trap nets 0.7 (normal) 0.5 – 3.7 0.19 lb 6
1984-07-30 Standard trap nets 0.5 (normal) 0.5 – 3.7 0.10 lb 2
1984-07-30 Standard gill nets 31.7 (above normal) 3.7 – 28.4 0.10 lb 190

Northern Pike

Date Gear CPUE Normal Range Avg Weight Total Catch
2000-07-10 Standard gill nets 11.2 (above normal) 2.3 – 9.2 2.40 lb 67
2000-07-10 Standard trap nets 0.2 1.66 lb 2
2017-07-03 Standard gill nets 14.2 (above normal) 2.3 – 9.2 2.60 lb 85
2017-07-03 Special trap nets 0.3 1.44 lb 4
2012-05-21 Special trap nets 0.1 3.71 lb 1
1989-07-31 Standard gill nets 2.0 (below normal) 2.3 – 9.2 2.87 lb 12
2006-07-05 Standard gill nets 4.7 (normal) 2.3 – 9.2 4.67 lb 28
2021-05-19 Special trap nets 0.3 5.51 lb 4
2023-07-03 Standard gill nets 2.3 (normal) 2.3 – 9.2 3.25 lb 14
2023-07-03 Standard trap nets 0.2 4.68 lb 2
1994-07-11 Standard gill nets 6.3 (normal) 2.3 – 9.2 3.10 lb 38
1994-07-11 Standard trap nets 0.1 1.04 lb 1
1984-07-30 Standard gill nets 2.2 (below normal) 2.3 – 9.2 3.28 lb 13
1984-07-30 Standard trap nets 0.5 2.35 lb 2

Johnny Darter

Date Gear CPUE Normal Range Total Catch
2000-07-10 Survey seining 4.0 12
1994-07-11 Survey seining 0.3 1

White Sucker

Date Gear CPUE Normal Range Avg Weight Total Catch
2000-07-10 Standard gill nets 0.5 (normal) 0.5 – 3.3 1.96 lb 3
2006-07-05 Standard gill nets 0.2 (below normal) 0.5 – 3.3 2.30 lb 1
1984-07-30 Standard gill nets 0.5 (normal) 0.5 – 3.3 1.17 lb 3
1984-07-30 Standard trap nets 0.3 (below normal) 0.3 – 1.3 1.60 lb 1

Golden Shiner

Date Gear CPUE Normal Range Avg Weight Total Catch
2017-07-03 Special trap nets 0.3 0.01 lb 4
1994-07-11 Survey seining 0.3 1

Common Carp

Date Gear CPUE Normal Range Avg Weight Total Catch
2017-07-03 Standard gill nets 0.2 (below normal) 0.3 – 2.5 6.38 lb 1
2012-05-21 Special trap nets 0.1 10.54 lb 1
2021-05-19 Special trap nets 0.1 2.56 lb 1
1984-07-30 Standard gill nets 0.2 (below normal) 0.3 – 2.5 5.50 lb 1

BCS

Date Gear CPUE Normal Range Total Catch
1994-07-11 Survey seining 8.0 24

CNM

Date Gear CPUE Normal Range Total Catch
1994-07-11 Survey seining 0.3 1

Common Shiner

Date Gear CPUE Normal Range Avg Weight Total Catch
1984-07-30 Standard trap nets 0.3 0.10 lb 1

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Fish Species

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

Black BullheadBlack CrappieBluegillBowfin (Dogfish)Brown BullheadCommon CarpGreen SunfishHybrid SunfishLargemouth BassNorthern PikePumpkinseedWalleyeWhite 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.