Armstrong

St. Louis County, Minnesota — DOW #69027800

180 Surveys
382.34
Acres
34 ft
Max Depth
0
10
Fish Species
33
Local Guides

DNR Fish Surveys

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

Northern Pike

Date Gear CPUE Normal Range Avg Weight Total Catch
1987-08-20 Standard gill nets 3.3 (normal) 1.8 – 5.5 1.80 lb 10
2015-08-03 Standard gill nets 7.8 (above normal) 1.8 – 5.5 2.34 lb 70
2015-08-03 Standard trap nets 1.2 3.19 lb 11
2021-08-09 Standard gill nets 3.3 (normal) 1.8 – 5.5 2.47 lb 30
2021-08-09 Standard trap nets 1.0 2.05 lb 9
1997-06-30 Standard gill nets 4.8 (normal) 1.8 – 5.5 2.02 lb 43
1997-06-30 Standard trap nets 1.3 1.83 lb 12
2002-07-01 Standard gill nets 5.4 (normal) 1.8 – 5.5 2.08 lb 49
2002-07-01 Standard trap nets 1.9 2.16 lb 17
2007-07-02 Standard gill nets 4.3 (normal) 1.8 – 5.5 3.58 lb 39
2007-07-02 Standard trap nets 0.5 2.12 lb 4
2012-07-02 Standard gill nets 6.4 (above normal) 1.8 – 5.5 3.03 lb 58
2012-07-02 1/4-in trap nets 0.1 1
2012-07-02 Standard trap nets 0.3 3.56 lb 3
1982-08-23 Standard gill nets 7.3 (above normal) 1.8 – 5.5 1.55 lb 22
1982-08-23 Standard trap nets 1.3 1.06 lb 8

Black Crappie

Date Gear CPUE Normal Range Avg Weight Total Catch
1987-08-20 Standard gill nets 0.3 (below normal) 0.4 – 3.3 0.40 lb 1
2015-08-03 Standard gill nets 2.0 (normal) 0.4 – 3.3 0.72 lb 18
2015-08-03 Standard trap nets 2.4 (normal) 0.8 – 4.5 0.49 lb 22
2021-08-09 Standard gill nets 0.6 (normal) 0.4 – 3.3 0.32 lb 5
2021-08-09 Standard trap nets 0.1 (below normal) 0.8 – 4.5 0.37 lb 1
1997-06-30 Standard gill nets 2.4 (normal) 0.4 – 3.3 0.49 lb 22
1997-06-30 Standard trap nets 2.1 (normal) 0.8 – 4.5 0.23 lb 19
2002-07-01 Survey seining 1.0 5
2002-07-01 Standard gill nets 2.7 (normal) 0.4 – 3.3 0.52 lb 24
2002-07-01 Standard trap nets 0.1 (below normal) 0.8 – 4.5 0.75 lb 1
2007-07-02 Standard gill nets 2.6 (normal) 0.4 – 3.3 0.36 lb 23
2007-07-02 Standard trap nets 0.4 (below normal) 0.8 – 4.5 0.10 lb 3
2012-07-02 Standard gill nets 4.6 (above normal) 0.4 – 3.3 0.23 lb 41
2012-07-02 1/4-in trap nets 0.6 6
2012-07-02 Standard trap nets 2.7 (normal) 0.8 – 4.5 0.26 lb 24
2012-07-02 15-ft beach seine 0.4 4

Rock Bass

Date Gear CPUE Normal Range Avg Weight Total Catch
1987-08-20 Standard gill nets 1.3 (normal) 0.5 – 2.2 0.30 lb 4
2015-08-03 Standard gill nets 1.4 (normal) 0.5 – 2.2 0.22 lb 13
2015-08-03 Standard trap nets 3.4 (above normal) 0.5 – 1.8 0.30 lb 31
2021-08-09 Standard gill nets 0.2 (below normal) 0.5 – 2.2 0.10 lb 2
2021-08-09 Standard trap nets 0.8 (normal) 0.5 – 1.8 0.13 lb 7
1997-06-30 Standard gill nets 0.8 (normal) 0.5 – 2.2 0.36 lb 7
1997-06-30 Standard trap nets 3.4 (above normal) 0.5 – 1.8 0.29 lb 31
2002-07-01 Standard gill nets 1.7 (normal) 0.5 – 2.2 0.19 lb 15
2002-07-01 Standard trap nets 4.3 (above normal) 0.5 – 1.8 0.16 lb 39
2007-07-02 Standard gill nets 3.7 (above normal) 0.5 – 2.2 0.22 lb 33
2007-07-02 Standard trap nets 2.0 (above normal) 0.5 – 1.8 0.13 lb 16
2012-07-02 Standard gill nets 0.6 (normal) 0.5 – 2.2 0.33 lb 5
2012-07-02 1/4-in trap nets 3.5 35
2012-07-02 Standard trap nets 2.0 (above normal) 0.5 – 1.8 0.18 lb 18
1982-08-23 Standard trap nets 1.2 (normal) 0.5 – 1.8 0.29 lb 7
1982-08-23 Standard gill nets 1.7 (normal) 0.5 – 2.2 0.30 lb 5

Smallmouth Bass

Date Gear CPUE Normal Range Avg Weight Total Catch
1987-08-20 Standard gill nets 1.7 (normal) 0.5 – 2.1 1.40 lb 5
2015-08-03 Standard electrofishing 5.3 1.30 lb 8
2015-08-03 Standard gill nets 0.2 (below normal) 0.5 – 2.1 3.05 lb 2
2021-08-09 Standard electrofishing 5.3 0.84 lb 8
2021-08-09 Standard gill nets 0.1 (below normal) 0.5 – 2.1 2.76 lb 1
2021-08-09 Standard trap nets 0.2 (normal) 0.2 – 0.7 0.13 lb 2
1997-06-30 Standard gill nets 0.8 (normal) 0.5 – 2.1 1.25 lb 7
1997-06-30 Standard trap nets 0.1 (below normal) 0.2 – 0.7 0.19 lb 1
2002-07-01 Survey seining 5.4 27
2002-07-01 Standard gill nets 1.2 (normal) 0.5 – 2.1 1.54 lb 11
2002-07-01 Standard trap nets 0.1 (below normal) 0.2 – 0.7 0.26 lb 1
2007-07-02 Standard gill nets 1.3 (normal) 0.5 – 2.1 1.48 lb 12
2012-07-02 1/4-in trap nets 0.7 7
2012-07-02 Backpack electrofishing 2.5 2
2012-07-02 Standard trap nets 0.2 (normal) 0.2 – 0.7 0.12 lb 2
2012-07-02 15-ft beach seine 1.1 11
2012-07-02 Standard gill nets 0.4 (below normal) 0.5 – 2.1 2.54 lb 4
1982-08-23 Standard trap nets 0.2 (below normal) 0.2 – 0.7 0.30 lb 1

Walleye

Date Gear CPUE Normal Range Avg Weight Total Catch
1987-08-20 Standard gill nets 17.0 (above normal) 2.0 – 9.7 2.01 lb 51
2015-08-03 Standard gill nets 1.1 (below normal) 2.0 – 9.7 4.53 lb 10
2021-08-09 Standard gill nets 4.4 (normal) 2.0 – 9.7 2.42 lb 40
2021-08-09 Standard trap nets 0.4 (normal) 0.3 – 1.1 3.15 lb 4
1997-06-30 Standard gill nets 4.4 (normal) 2.0 – 9.7 2.77 lb 40
1997-06-30 Standard trap nets 0.3 (normal) 0.3 – 1.1 3.46 lb 3
2002-07-01 Standard gill nets 1.3 (below normal) 2.0 – 9.7 3.20 lb 12
2002-07-01 Standard trap nets 0.1 (below normal) 0.3 – 1.1 6.94 lb 1
2007-07-02 Standard gill nets 2.0 (normal) 2.0 – 9.7 3.42 lb 18
2012-07-02 Standard gill nets 2.8 (normal) 2.0 – 9.7 3.12 lb 25
2012-07-02 Standard trap nets 0.2 (below normal) 0.3 – 1.1 2.35 lb 2
1982-08-23 Standard gill nets 9.7 (normal) 2.0 – 9.7 1.38 lb 29
1982-08-23 Standard trap nets 0.7 (normal) 0.3 – 1.1 3.00 lb 4

Yellow Perch

Date Gear CPUE Normal Range Avg Weight Total Catch
1987-08-20 Standard gill nets 4.3 (normal) 1.7 – 14.1 0.15 lb 13
2015-08-03 Standard trap nets 0.2 (below normal) 0.3 – 2.5 0.18 lb 2
2015-08-03 Standard gill nets 2.2 (normal) 1.7 – 14.1 0.10 lb 20
2021-08-09 Standard trap nets 0.2 (below normal) 0.3 – 2.5 0.10 lb 2
2021-08-09 Standard gill nets 2.1 (normal) 1.7 – 14.1 0.10 lb 19
1997-06-30 Standard trap nets 0.2 (below normal) 0.3 – 2.5 0.10 lb 2
1997-06-30 Standard gill nets 3.8 (normal) 1.7 – 14.1 0.09 lb 34
2002-07-01 Standard trap nets 1.6 (normal) 0.3 – 2.5 0.21 lb 14
2002-07-01 Survey seining 1.4 7
2002-07-01 Standard gill nets 2.4 (normal) 1.7 – 14.1 0.11 lb 22
2007-07-02 Standard trap nets 0.5 (normal) 0.3 – 2.5 0.10 lb 4
2007-07-02 Standard gill nets 5.4 (normal) 1.7 – 14.1 0.13 lb 49
2012-07-02 15-ft beach seine 0.1 1
2012-07-02 Standard gill nets 4.4 (normal) 1.7 – 14.1 0.12 lb 40
2012-07-02 1/4-in trap nets 2.6 26
2012-07-02 Standard trap nets 0.6 (normal) 0.3 – 2.5 0.20 lb 5
1982-08-23 Standard trap nets 0.8 (normal) 0.3 – 2.5 0.60 lb 5
1982-08-23 Standard gill nets 5.0 (normal) 1.7 – 14.1 0.47 lb 15

White Sucker

Date Gear CPUE Normal Range Avg Weight Total Catch
1987-08-20 Standard gill nets 5.3 (normal) 2.3 – 8.7 1.97 lb 16
2015-08-03 Standard gill nets 1.9 (below normal) 2.3 – 8.7 2.49 lb 17
2015-08-03 Standard trap nets 0.1 (below normal) 0.2 – 0.9 1.08 lb 1
2021-08-09 Standard gill nets 1.1 (below normal) 2.3 – 8.7 2.86 lb 10
1997-06-30 Standard gill nets 6.1 (normal) 2.3 – 8.7 3.69 lb 55
2002-07-01 Standard gill nets 4.2 (normal) 2.3 – 8.7 2.65 lb 38
2007-07-02 Standard gill nets 2.4 (normal) 2.3 – 8.7 1.91 lb 22
2012-07-02 Standard gill nets 3.2 (normal) 2.3 – 8.7 2.10 lb 29
1982-08-23 Standard gill nets 5.7 (normal) 2.3 – 8.7 1.71 lb 17

Bluegill

Date Gear CPUE Normal Range Avg Weight Total Catch
1987-08-20 Standard gill nets 16.3 0.10 lb 49
2015-08-03 Standard gill nets 4.1 0.14 lb 37
2015-08-03 Standard trap nets 29.6 (above normal) 3.2 – 21.2 0.21 lb 266
2021-08-09 Standard gill nets 2.1 0.16 lb 19
2021-08-09 Standard trap nets 16.7 (normal) 3.2 – 21.2 0.08 lb 150
1997-06-30 Standard gill nets 7.6 0.17 lb 68
1997-06-30 Standard trap nets 54.3 (above normal) 3.2 – 21.2 0.07 lb 489
2002-07-01 Survey seining 6.2 31
2002-07-01 Standard gill nets 3.3 0.16 lb 30
2002-07-01 Standard trap nets 62.9 (above normal) 3.2 – 21.2 0.08 lb 566
2007-07-02 Standard gill nets 9.4 0.22 lb 85
2007-07-02 Standard trap nets 31.6 (above normal) 3.2 – 21.2 0.09 lb 253
2012-07-02 Standard gill nets 14.4 0.20 lb 130
2012-07-02 1/4-in trap nets 92.7 927
2012-07-02 Backpack electrofishing 15.1 12
2012-07-02 Standard trap nets 63.0 (above normal) 3.2 – 21.2 0.16 lb 567
2012-07-02 15-ft beach seine 8.0 80
1982-08-23 Standard trap nets 3.5 (normal) 3.2 – 21.2 0.26 lb 21
1982-08-23 Standard gill nets 8.0 0.40 lb 24

Largemouth Bass

Date Gear CPUE Normal Range Avg Weight Total Catch
2015-08-03 Standard electrofishing 104.7 0.95 lb 157
2015-08-03 Standard gill nets 1.2 (above normal) 0.2 – 1.1 1.19 lb 11
2015-08-03 Standard trap nets 0.3 (normal) 0.3 – 1.2 0.93 lb 3
2021-08-09 Standard electrofishing 94.7 1.01 lb 142
2021-08-09 Standard gill nets 1.7 (above normal) 0.2 – 1.1 0.74 lb 15
2021-08-09 Standard trap nets 1.9 (above normal) 0.3 – 1.2 0.48 lb 17
1997-06-30 Standard gill nets 0.7 (normal) 0.2 – 1.1 0.97 lb 6
1997-06-30 Standard trap nets 0.8 (normal) 0.3 – 1.2 0.71 lb 7
2002-07-01 Survey seining 6.2 31
2002-07-01 Standard gill nets 0.8 (normal) 0.2 – 1.1 1.10 lb 7
2002-07-01 Standard trap nets 0.9 (normal) 0.3 – 1.2 0.79 lb 8
2007-07-02 Standard gill nets 1.1 (above normal) 0.2 – 1.1 0.82 lb 10
2007-07-02 Standard trap nets 0.1 (below normal) 0.3 – 1.2 0.07 lb 1
2012-07-02 15-ft beach seine 1.4 14
2012-07-02 Standard gill nets 2.9 (above normal) 0.2 – 1.1 1.31 lb 26
2012-07-02 1/4-in trap nets 2.6 26
2012-07-02 Backpack electrofishing 2.5 2
2012-07-02 Standard trap nets 3.6 (above normal) 0.3 – 1.2 0.24 lb 32
1982-08-23 Standard trap nets 0.8 (normal) 0.3 – 1.2 0.30 lb 5
1982-08-23 Standard gill nets 0.3 (normal) 0.2 – 1.1 0.30 lb 1

Hybrid Sunfish

Date Gear CPUE Normal Range Avg Weight Total Catch
2015-08-03 Standard gill nets 0.1 0.13 lb 1
2015-08-03 Standard trap nets 0.4 0.31 lb 4
2007-07-02 Standard gill nets 0.1 0.27 lb 1
2007-07-02 Standard trap nets 0.1 0.22 lb 1
2012-07-02 Standard trap nets 0.6 0.28 lb 5

Pumpkinseed

Date Gear CPUE Normal Range Avg Weight Total Catch
2015-08-03 Standard trap nets 0.3 (below normal) 1.0 – 5.2 0.10 lb 3
2021-08-09 Standard gill nets 0.1 0.07 lb 1
2021-08-09 Standard trap nets 0.1 (below normal) 1.0 – 5.2 0.26 lb 1
1997-06-30 Standard gill nets 0.7 0.06 lb 6
1997-06-30 Standard trap nets 0.9 (below normal) 1.0 – 5.2 0.07 lb 8
2002-07-01 Survey seining 0.2 1
2002-07-01 Standard gill nets 1.1 0.05 lb 10
2002-07-01 Standard trap nets 4.8 (normal) 1.0 – 5.2 0.10 lb 43
2007-07-02 Standard gill nets 0.2 0.18 lb 2
2007-07-02 Standard trap nets 1.9 (normal) 1.0 – 5.2 0.09 lb 15
2012-07-02 Standard gill nets 0.9 0.12 lb 8
2012-07-02 1/4-in trap nets 0.9 9
2012-07-02 Standard trap nets 0.9 (below normal) 1.0 – 5.2 0.19 lb 8

Burbot

Date Gear CPUE Normal Range Avg Weight Total Catch
1997-06-30 Standard gill nets 0.2 (above normal) 0.1 – 0.2 3.78 lb 2

Bluntnose Minnow

Date Gear CPUE Normal Range Total Catch
2002-07-01 Survey seining 0.6 3
2012-07-02 1/4-in trap nets 1.0 10
2012-07-02 Backpack electrofishing 1.3 1

Spottail Shiner

Date Gear CPUE Normal Range Total Catch
2002-07-01 Survey seining 1.4 7
2012-07-02 Backpack electrofishing 3.8 3
2012-07-02 1/4-in trap nets 0.1 1

BRM

Date Gear CPUE Normal Range Total Catch
2012-07-02 1/4-in trap nets 0.1 1

Mottled Sculpin

Date Gear CPUE Normal Range Total Catch
2012-07-02 Backpack electrofishing 2.5 2

Johnny Darter

Date Gear CPUE Normal Range Total Catch
2012-07-02 15-ft beach seine 0.1 1

Green Sunfish

Date Gear CPUE Normal Range Total Catch
2012-07-02 1/4-in trap nets 0.1 1

CNM

Date Gear CPUE Normal Range Total Catch
2012-07-02 1/4-in trap nets 0.1 1

BNS

Date Gear CPUE Normal Range Total Catch
2012-07-02 1/4-in trap nets 0.1 1

Iowa Darter

Date Gear CPUE Normal Range Total Catch
2012-07-02 Backpack electrofishing 5.0 4

Golden Shiner

Date Gear CPUE Normal Range Total Catch
2012-07-02 1/4-in trap nets 0.3 3

Fathead Minnow

Date Gear CPUE Normal Range Total Catch
2012-07-02 15-ft beach seine 0.1 1

Common Shiner

Date Gear CPUE Normal Range Total Catch
2012-07-02 1/4-in trap nets 0.1 1

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Fish Species

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

Black CrappieBluegillLargemouth BassNorthern PikePumpkinseedRock BassSmallmouth BassWalleyeWhite SuckerYellow 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.