Hammal

Aitkin County, Minnesota — DOW #01016100

244 Surveys
375.52
Acres
44 ft
Max Depth
10.5 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 Hammal. Green = above normal range. Red = below normal.

Black Bullhead

Date Gear CPUE Normal Range Avg Weight Total Catch
2007-08-20 Standard trap nets 0.2 (below normal) 0.3 – 1.6 1.34 lb 2
1989-08-21 Standard gill nets 0.5 (normal) 0.4 – 3.1 0.77 lb 3
2012-08-20 Standard gill nets 1.0 (normal) 0.4 – 3.1 0.78 lb 6
2017-08-21 Standard gill nets 1.7 (normal) 0.4 – 3.1 1.18 lb 10
1982-08-26 Standard trap nets 0.2 (below normal) 0.3 – 1.6 0.75 lb 1
1982-08-26 Standard gill nets 1.5 (normal) 0.4 – 3.1 0.79 lb 9
2001-08-20 Standard trap nets 0.2 (below normal) 0.3 – 1.6 0.70 lb 2
2001-08-20 Standard gill nets 0.5 (normal) 0.4 – 3.1 0.88 lb 3

Yellow Perch

Date Gear CPUE Normal Range Avg Weight Total Catch
2007-08-20 Standard trap nets 0.1 (below normal) 0.3 – 1.2 0.09 lb 1
2007-08-20 Standard gill nets 0.3 (below normal) 1.0 – 10.3 0.07 lb 2
2017-06-19 15-ft beach seine 0.2 1
2017-06-19 50-ft beach seine 1.0 1
1989-08-21 Standard trap nets 0.9 (normal) 0.3 – 1.2 0.44 lb 7
1989-08-21 Standard gill nets 1.3 (normal) 1.0 – 10.3 0.62 lb 8
2017-08-08 15-ft beach seine 3.0 3
2017-08-08 50-ft beach seine 1.7 10
2012-08-20 50-ft beach seine 1.0 2
2012-08-20 15-ft beach seine 1.3 5
2012-08-20 Standard gill nets 0.5 (below normal) 1.0 – 10.3 0.07 lb 3
2012-08-20 Standard trap nets 0.1 (below normal) 0.3 – 1.2 0.09 lb 1
1996-08-19 Standard trap nets 0.3 (normal) 0.3 – 1.2 0.32 lb 3
1996-08-19 Standard gill nets 0.7 (below normal) 1.0 – 10.3 0.34 lb 4
2001-08-20 Standard trap nets 0.1 (below normal) 0.3 – 1.2 0.31 lb 1

Yellow Bullhead

Date Gear CPUE Normal Range Avg Weight Total Catch
2007-08-20 Standard gill nets 20.3 (above normal) 2.1 – 15.8 0.44 lb 122
2007-08-20 Standard trap nets 11.6 (normal) 2.7 – 13.5 0.54 lb 104
2017-06-19 Backpack electrofishing 8.5 12
1989-08-21 Standard gill nets 45.0 (above normal) 2.1 – 15.8 0.05 lb 270
1989-08-21 Standard trap nets 35.5 (above normal) 2.7 – 13.5 0.35 lb 284
2012-08-20 Standard trap nets 7.7 (normal) 2.7 – 13.5 0.56 lb 69
2012-08-20 Standard gill nets 14.8 (normal) 2.1 – 15.8 0.49 lb 89
2017-08-21 Standard gill nets 20.7 (above normal) 2.1 – 15.8 0.59 lb 124
2017-08-21 Standard trap nets 2.7 (below normal) 2.7 – 13.5 0.61 lb 24
1982-08-26 Standard gill nets 65.2 (above normal) 2.1 – 15.8 0.47 lb 391
1982-08-26 Standard trap nets 12.7 (normal) 2.7 – 13.5 0.41 lb 76
1996-08-19 Standard gill nets 38.2 (above normal) 2.1 – 15.8 0.47 lb 229
1996-08-19 Standard trap nets 18.1 (above normal) 2.7 – 13.5 0.42 lb 163
2001-08-20 Standard gill nets 29.7 (above normal) 2.1 – 15.8 0.50 lb 178
2001-08-20 Standard trap nets 7.9 (normal) 2.7 – 13.5 0.46 lb 71
2022-08-15 Standard gill nets 29.3 (above normal) 2.1 – 15.8 0.55 lb 176
2022-08-15 Standard trap nets 3.0 (normal) 2.7 – 13.5 0.57 lb 27

Northern Pike

Date Gear CPUE Normal Range Avg Weight Total Catch
2007-08-20 Standard gill nets 7.7 (normal) 3.5 – 8.9 1.34 lb 46
2007-08-20 Standard trap nets 0.8 1.59 lb 7
2017-06-19 15-ft beach seine 1.4 7
1989-08-21 Standard gill nets 7.8 (normal) 3.5 – 8.9 2.22 lb 47
1989-08-21 Standard trap nets 0.4 3
2017-08-08 15-ft beach seine 1.0 1
2012-08-20 15-ft beach seine 0.3 1
2012-08-20 Standard gill nets 5.5 (normal) 3.5 – 8.9 1.00 lb 33
2012-08-20 Standard trap nets 1.4 1.82 lb 13
2017-08-21 Standard gill nets 3.2 (below normal) 3.5 – 8.9 1.74 lb 19
2017-08-21 Standard trap nets 0.4 1.27 lb 4
1982-08-26 Standard gill nets 8.3 (normal) 3.5 – 8.9 1.48 lb 50
1982-08-26 Standard trap nets 1.3 1.12 lb 8
1996-08-19 Standard gill nets 7.7 (normal) 3.5 – 8.9 1.76 lb 46
1996-08-19 Standard trap nets 0.9 1.43 lb 8
2001-08-20 Standard gill nets 12.0 (above normal) 3.5 – 8.9 1.41 lb 72
2001-08-20 Standard trap nets 1.0 1.15 lb 9
2022-08-15 Standard gill nets 4.2 (normal) 3.5 – 8.9 1.67 lb 25
2022-08-15 Standard trap nets 0.3 0.83 lb 3

Rock Bass

Date Gear CPUE Normal Range Avg Weight Total Catch
2007-08-20 Standard gill nets 0.5 (normal) 0.5 – 1.7 0.68 lb 3
2007-08-20 Standard trap nets 0.1 (below normal) 0.4 – 1.7 0.39 lb 1
2017-06-19 Backpack electrofishing 1.4 2
2017-08-08 Backpack electrofishing 3.4 4
2012-08-20 Standard gill nets 0.7 (normal) 0.5 – 1.7 0.34 lb 4
2012-08-20 Backpack electrofishing 2.1 1
1982-08-26 Standard trap nets 0.2 (below normal) 0.4 – 1.7 0.10 lb 1
1996-08-19 Standard gill nets 0.2 (below normal) 0.5 – 1.7 0.93 lb 1
1996-08-19 Standard trap nets 0.2 (below normal) 0.4 – 1.7 0.21 lb 2
2001-08-20 Standard gill nets 1.8 (above normal) 0.5 – 1.7 0.76 lb 11
2001-08-20 Standard trap nets 0.3 (below normal) 0.4 – 1.7 0.53 lb 3
2022-08-15 Standard trap nets 0.1 (below normal) 0.4 – 1.7 0.39 lb 1

Hybrid Sunfish

Date Gear CPUE Normal Range Avg Weight Total Catch
2007-08-20 Standard gill nets 0.2 0.17 lb 1
2007-08-20 Standard trap nets 1.0 0.29 lb 9
2017-06-19 Backpack electrofishing 0.7 1
2012-08-20 Standard trap nets 1.4 0.37 lb 13
2017-08-21 Standard trap nets 0.1 0.46 lb 1
1996-08-19 Standard trap nets 0.7 0.31 lb 6
2001-08-20 Standard trap nets 0.4 0.29 lb 4

Walleye

Date Gear CPUE Normal Range Avg Weight Total Catch
2007-08-20 Standard gill nets 1.2 (normal) 0.5 – 2.3 2.18 lb 7
2007-08-20 Standard trap nets 0.2 (below normal) 0.3 – 0.5 1.25 lb 2
2012-08-20 Standard gill nets 0.2 (below normal) 0.5 – 2.3 3.42 lb 1
2012-08-20 Standard trap nets 0.2 (below normal) 0.3 – 0.5 4.02 lb 2
2012-08-20 50-ft beach seine 0.5 1
2017-08-21 Standard gill nets 1.8 (normal) 0.5 – 2.3 3.45 lb 11
2017-08-21 Standard trap nets 0.2 (below normal) 0.3 – 0.5 5.03 lb 2

Largemouth Bass

Date Gear CPUE Normal Range Avg Weight Total Catch
2007-08-20 Standard gill nets 3.7 (above normal) 0.4 – 1.6 1.04 lb 22
2007-08-20 Standard trap nets 1.6 (above normal) 0.3 – 1.4 1.29 lb 14
2017-06-19 Backpack electrofishing 2.1 3
2017-06-19 15-ft beach seine 0.2 1
1989-08-21 Standard gill nets 3.0 (above normal) 0.4 – 1.6 1.21 lb 18
1989-08-21 Standard trap nets 0.4 (normal) 0.3 – 1.4 1.66 lb 3
2017-08-08 Backpack electrofishing 2.5 3
2017-08-08 15-ft beach seine 3.0 3
2017-08-08 50-ft beach seine 1.5 9
2012-08-20 50-ft beach seine 2.5 5
2012-08-20 Standard electrofishing 99.0 1.13 lb 99
2012-08-20 15-ft beach seine 2.8 11
2012-08-20 Standard gill nets 1.2 (normal) 0.4 – 1.6 0.93 lb 7
2012-08-20 Standard trap nets 1.0 (normal) 0.3 – 1.4 0.66 lb 9
2017-08-21 Standard electrofishing 46.7 1.18 lb 81
2017-08-21 Standard gill nets 2.7 (above normal) 0.4 – 1.6 1.26 lb 16
2017-08-21 Standard trap nets 0.9 (normal) 0.3 – 1.4 2.20 lb 8
1982-08-26 Standard gill nets 1.0 (normal) 0.4 – 1.6 0.79 lb 6
1982-08-26 Standard trap nets 0.2 (below normal) 0.3 – 1.4 0.25 lb 1
1996-08-19 Standard gill nets 2.7 (above normal) 0.4 – 1.6 1.16 lb 16
1996-08-19 Standard trap nets 0.6 (normal) 0.3 – 1.4 0.43 lb 5
2001-08-20 Standard electrofishing 34.0 1.74 lb 55
2001-08-20 Standard gill nets 3.2 (above normal) 0.4 – 1.6 0.85 lb 19
2001-08-20 Standard trap nets 0.4 (normal) 0.3 – 1.4 0.86 lb 4
2022-08-15 Standard trap nets 0.8 (normal) 0.3 – 1.4 1.20 lb 7
2022-08-15 Standard electrofishing 97.2 1.11 lb 141
2022-08-15 Standard gill nets 5.5 (above normal) 0.4 – 1.6 0.97 lb 33

Bluegill

Date Gear CPUE Normal Range Avg Weight Total Catch
2007-08-20 Standard gill nets 7.2 0.20 lb 43
2007-08-20 Standard trap nets 19.9 (normal) 9.5 – 57.3 0.12 lb 179
2017-06-19 Backpack electrofishing 56.9 80
2017-06-19 15-ft beach seine 61.8 309
1989-08-21 Standard gill nets 5.3 0.25 lb 32
1989-08-21 Standard trap nets 38.8 (normal) 9.5 – 57.3 0.10 lb 310
2017-08-08 Backpack electrofishing 34.6 41
2017-08-08 15-ft beach seine 3.0 3
2017-08-08 50-ft beach seine 21.3 128
2012-08-20 Standard gill nets 4.2 0.18 lb 25
2012-08-20 Backpack electrofishing 43.3 21
2012-08-20 Standard trap nets 15.3 (normal) 9.5 – 57.3 0.19 lb 138
2012-08-20 50-ft beach seine 29.0 58
2012-08-20 15-ft beach seine 28.0 112
2017-08-21 Standard gill nets 4.3 0.19 lb 26
2017-08-21 Standard trap nets 7.3 (below normal) 9.5 – 57.3 0.21 lb 66
1982-08-26 Standard gill nets 6.3 0.16 lb 38
1982-08-26 Standard trap nets 20.2 (normal) 9.5 – 57.3 0.13 lb 121
1996-08-19 Standard gill nets 13.0 0.14 lb 78
1996-08-19 Standard trap nets 31.6 (normal) 9.5 – 57.3 0.08 lb 284
2001-08-20 Standard gill nets 9.2 0.12 lb 55
2001-08-20 Standard trap nets 25.7 (normal) 9.5 – 57.3 0.11 lb 231
2022-08-15 Standard trap nets 8.7 (below normal) 9.5 – 57.3 0.20 lb 78
2022-08-15 Standard gill nets 3.2 0.25 lb 19

Pumpkinseed

Date Gear CPUE Normal Range Avg Weight Total Catch
2007-08-20 Standard gill nets 0.3 0.14 lb 2
2007-08-20 Standard trap nets 0.8 (below normal) 1.5 – 6.8 0.14 lb 7
2017-06-19 Backpack electrofishing 0.7 1
2017-06-19 15-ft beach seine 0.4 2
1989-08-21 Standard gill nets 0.7 4
1989-08-21 Standard trap nets 5.9 (normal) 1.5 – 6.8 0.10 lb 47
2017-08-08 Backpack electrofishing 0.8 1
2017-08-08 50-ft beach seine 0.2 1
2012-08-20 Standard gill nets 0.8 0.18 lb 5
2012-08-20 Standard trap nets 1.9 (normal) 1.5 – 6.8 0.30 lb 17
2012-08-20 50-ft beach seine 2.0 4
2012-08-20 15-ft beach seine 1.3 5
2017-08-21 Standard gill nets 1.2 0.19 lb 7
2017-08-21 Standard trap nets 0.6 (below normal) 1.5 – 6.8 0.24 lb 5
1982-08-26 Standard gill nets 0.5 0.20 lb 3
1982-08-26 Standard trap nets 3.8 (normal) 1.5 – 6.8 0.17 lb 23
1996-08-19 Standard gill nets 3.3 0.13 lb 20
1996-08-19 Standard trap nets 3.7 (normal) 1.5 – 6.8 0.15 lb 33
2001-08-20 Standard gill nets 1.3 0.09 lb 8
2001-08-20 Standard trap nets 1.1 (below normal) 1.5 – 6.8 0.10 lb 10
2022-08-15 Standard gill nets 2.5 0.27 lb 15
2022-08-15 Standard trap nets 1.6 (normal) 1.5 – 6.8 0.27 lb 14

Bowfin

Date Gear CPUE Normal Range Avg Weight Total Catch
2007-08-20 Standard gill nets 0.3 (normal) 0.3 – 1.0 3.53 lb 2
2007-08-20 Standard trap nets 0.9 (normal) 0.5 – 1.2 4.87 lb 8
1989-08-21 Standard trap nets 0.3 (below normal) 0.5 – 1.2 4.30 lb 2
2012-08-20 Standard gill nets 0.3 (normal) 0.3 – 1.0 4.45 lb 2
2012-08-20 Standard trap nets 1.0 (normal) 0.5 – 1.2 4.18 lb 9
2017-08-21 Standard gill nets 0.7 (normal) 0.3 – 1.0 3.76 lb 4
2017-08-21 Standard trap nets 1.2 (above normal) 0.5 – 1.2 4.62 lb 11
1982-08-26 Standard trap nets 0.2 (below normal) 0.5 – 1.2 1.50 lb 1
1996-08-19 Standard trap nets 0.6 (normal) 0.5 – 1.2 4.34 lb 5
2001-08-20 Standard trap nets 0.9 (normal) 0.5 – 1.2 4.00 lb 8
2022-08-15 Standard trap nets 1.1 (normal) 0.5 – 1.2 4.60 lb 10
2022-08-15 Standard gill nets 0.2 (below normal) 0.3 – 1.0 6.13 lb 1

Black Crappie

Date Gear CPUE Normal Range Avg Weight Total Catch
2007-08-20 Standard gill nets 3.0 (normal) 1.0 – 3.9 0.35 lb 18
2007-08-20 Standard trap nets 0.8 (below normal) 0.8 – 4.0 0.39 lb 7
1989-08-21 Standard gill nets 2.2 (normal) 1.0 – 3.9 0.22 lb 13
1989-08-21 Standard trap nets 1.3 (normal) 0.8 – 4.0 0.23 lb 10
2012-08-20 Standard gill nets 0.8 (below normal) 1.0 – 3.9 0.24 lb 5
2012-08-20 Standard trap nets 1.0 (normal) 0.8 – 4.0 0.39 lb 9
2017-08-21 Standard gill nets 2.2 (normal) 1.0 – 3.9 0.29 lb 13
2017-08-21 Standard trap nets 0.2 (below normal) 0.8 – 4.0 0.26 lb 2
1982-08-26 Standard gill nets 2.7 (normal) 1.0 – 3.9 0.41 lb 16
1982-08-26 Standard trap nets 0.7 (below normal) 0.8 – 4.0 0.38 lb 4
1996-08-19 Standard gill nets 5.0 (above normal) 1.0 – 3.9 0.25 lb 30
1996-08-19 Standard trap nets 0.9 (normal) 0.8 – 4.0 0.12 lb 8
2001-08-20 Standard gill nets 6.7 (above normal) 1.0 – 3.9 0.21 lb 40
2001-08-20 Standard trap nets 1.6 (normal) 0.8 – 4.0 0.24 lb 14
2022-08-15 Standard gill nets 2.3 (normal) 1.0 – 3.9 0.41 lb 14
2022-08-15 Standard trap nets 1.3 (normal) 0.8 – 4.0 0.26 lb 12

Brown Bullhead

Date Gear CPUE Normal Range Avg Weight Total Catch
2007-08-20 Standard gill nets 0.8 (normal) 0.4 – 2.5 1.20 lb 5
1989-08-21 Standard trap nets 0.6 (normal) 0.6 – 2.6 0.75 lb 5
1989-08-21 Standard gill nets 1.5 (normal) 0.4 – 2.5 0.66 lb 9
2012-08-20 Standard gill nets 0.3 (below normal) 0.4 – 2.5 0.68 lb 2
2012-08-20 Standard trap nets 0.1 (below normal) 0.6 – 2.6 0.78 lb 1
2017-08-21 Standard gill nets 3.0 (above normal) 0.4 – 2.5 1.35 lb 18
1982-08-26 Standard trap nets 0.3 (below normal) 0.6 – 2.6 0.88 lb 2
1982-08-26 Standard gill nets 2.0 (normal) 0.4 – 2.5 0.88 lb 12
1996-08-19 Standard trap nets 0.3 (below normal) 0.6 – 2.6 0.72 lb 3
1996-08-19 Standard gill nets 2.5 (normal) 0.4 – 2.5 0.71 lb 15
2001-08-20 Standard trap nets 0.1 (below normal) 0.6 – 2.6 1.01 lb 1
2001-08-20 Standard gill nets 1.7 (normal) 0.4 – 2.5 0.85 lb 10
2022-08-15 Standard gill nets 1.7 (normal) 0.4 – 2.5 1.23 lb 10

CNM

Date Gear CPUE Normal Range Total Catch
2017-06-19 Backpack electrofishing 2.8 4
2017-08-08 Backpack electrofishing 2.5 3

Johnny Darter

Date Gear CPUE Normal Range Total Catch
2017-06-19 Backpack electrofishing 3.6 5
2017-06-19 15-ft beach seine 0.8 4
2017-08-08 Backpack electrofishing 11.8 14
2017-08-08 50-ft beach seine 0.8 5
2012-08-20 50-ft beach seine 2.0 4
2012-08-20 15-ft beach seine 0.5 2
2012-08-20 Backpack electrofishing 2.1 1

Green Sunfish

Date Gear CPUE Normal Range Total Catch
2017-06-19 Backpack electrofishing 2.8 4
2017-08-08 Backpack electrofishing 4.2 5
2012-08-20 Backpack electrofishing 2.1 1

Tadpole Madtom

Date Gear CPUE Normal Range Total Catch
2017-06-19 Backpack electrofishing 8.5 12
2017-08-08 Backpack electrofishing 6.8 8
2012-08-20 Backpack electrofishing 2.1 1

Bluntnose Minnow

Date Gear CPUE Normal Range Total Catch
2017-06-19 Backpack electrofishing 2.8 4
2017-06-19 15-ft beach seine 1.0 5
2017-08-08 50-ft beach seine 22.8 137
2017-08-08 Backpack electrofishing 32.9 39
2017-08-08 15-ft beach seine 2.0 2
2012-08-20 15-ft beach seine 15.3 61
2012-08-20 Backpack electrofishing 2.1 1
2012-08-20 50-ft beach seine 5.5 11

BCS

Date Gear CPUE Normal Range Total Catch
2017-06-19 Backpack electrofishing 0.7 1
2017-06-19 15-ft beach seine 6.6 33
2017-08-08 50-ft beach seine 1.0 6
2017-08-08 Backpack electrofishing 7.6 9
2017-08-08 15-ft beach seine 16.0 16
2012-08-20 15-ft beach seine 12.3 49

BNS

Date Gear CPUE Normal Range Total Catch
2017-06-19 15-ft beach seine 0.2 1
2017-08-08 50-ft beach seine 59.8 359
2017-08-08 Backpack electrofishing 1.7 2
2017-08-08 15-ft beach seine 4.0 4
2012-08-20 15-ft beach seine 0.8 3

Iowa Darter

Date Gear CPUE Normal Range Total Catch
2017-08-08 15-ft beach seine 2.0 2
2017-08-08 50-ft beach seine 2.2 13
2017-08-08 Backpack electrofishing 0.8 1
2012-08-20 15-ft beach seine 0.3 1

Golden Shiner

Date Gear CPUE Normal Range Total Catch
2017-08-08 50-ft beach seine 17.0 102
2017-08-08 Backpack electrofishing 23.6 28
2012-08-20 15-ft beach seine 2.8 11
2012-08-20 Backpack electrofishing 4.1 2

Spottail Shiner

Date Gear CPUE Normal Range Total Catch
2017-08-08 50-ft beach seine 1.0 6
2017-08-08 Backpack electrofishing 1.7 2

LED

Date Gear CPUE Normal Range Total Catch
2017-08-08 15-ft beach seine 1.0 1

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Fish Species

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

Black BullheadBlack CrappieBluegillBowfin (Dogfish)Brown BullheadGreen SunfishHybrid SunfishLargemouth BassNorthern PikePumpkinseedRock 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.