Spectacle

Isanti County, Minnesota — DOW #30013500

226 Surveys

Invasive Species Alert

Spectacle has confirmed populations of:

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

246.19
Acres
51.5 ft
Max Depth
8.6 ft
Mean Depth
12
Fish Species
0
Local Guides

DNR Fish Surveys

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

Brown Bullhead

Date Gear CPUE Normal Range Avg Weight Total Catch
1982-08-16 Standard gill nets 0.8 (normal) 0.4 – 2.5 0.58 lb 5
1996-08-26 Standard trap nets 1.1 (normal) 0.6 – 2.6 0.58 lb 9
1996-08-26 Standard gill nets 4.3 (above normal) 0.4 – 2.5 0.62 lb 26
1975-09-10 Standard trap nets 3.0 (above normal) 0.6 – 2.6 0.74 lb 21
1975-09-10 Standard gill nets 1.3 (normal) 0.4 – 2.5 0.71 lb 8
1991-08-21 Standard trap nets 2.0 (normal) 0.6 – 2.6 0.87 lb 6
2001-08-27 Standard trap nets 2.6 (normal) 0.6 – 2.6 0.77 lb 23
2001-08-27 Standard gill nets 9.0 (above normal) 0.4 – 2.5 0.53 lb 54
2006-08-28 Standard trap nets 3.9 (above normal) 0.6 – 2.6 0.57 lb 31
2006-08-28 Standard gill nets 34.8 (above normal) 0.4 – 2.5 0.07 lb 209

Northern Pike

Date Gear CPUE Normal Range Avg Weight Total Catch
1982-08-16 Standard gill nets 4.0 (normal) 3.5 – 8.9 3.27 lb 24
1996-08-26 Standard gill nets 7.0 (normal) 3.5 – 8.9 2.18 lb 42
1996-08-26 Standard trap nets 1.0 2.10 lb 8
1986-08-25 Standard gill nets 1.7 (below normal) 3.5 – 8.9 2.81 lb 10
1986-08-25 Standard trap nets 0.3 3.20 lb 1
1975-09-10 Standard gill nets 1.7 (below normal) 3.5 – 8.9 3.72 lb 10
1975-09-10 Standard trap nets 0.1 2.80 lb 1
1991-08-21 Standard gill nets 4.7 (normal) 3.5 – 8.9 2.41 lb 28
1991-08-21 Standard trap nets 0.3 2.20 lb 1
2001-08-27 Standard gill nets 8.5 (normal) 3.5 – 8.9 1.77 lb 51
2001-08-27 Standard trap nets 1.2 1.95 lb 11
2013-08-19 50-ft beach seine 0.1 1
2013-08-19 Standard gill nets 6.8 (normal) 3.5 – 8.9 1.94 lb 41
2013-08-19 Standard trap nets 2.0 0.85 lb 14
2006-08-28 Standard gill nets 6.8 (normal) 3.5 – 8.9 2.01 lb 41
2006-08-28 Standard trap nets 0.8 1.52 lb 6

Black Bullhead

Date Gear CPUE Normal Range Avg Weight Total Catch
1982-08-16 Standard gill nets 0.7 (normal) 0.4 – 3.1 0.45 lb 4
1986-08-25 Standard trap nets 0.3 (below normal) 0.3 – 1.6 0.30 lb 1
1986-08-25 Standard gill nets 0.2 (below normal) 0.4 – 3.1 40.75 lb 1
1975-09-10 Standard trap nets 3.4 (above normal) 0.3 – 1.6 0.40 lb 24
1975-09-10 Standard gill nets 3.0 (normal) 0.4 – 3.1 0.38 lb 18
2001-08-27 Standard trap nets 0.2 (below normal) 0.3 – 1.6 1.28 lb 2
2001-08-27 Standard gill nets 0.2 (below normal) 0.4 – 3.1 1.05 lb 1

White Sucker

Date Gear CPUE Normal Range Avg Weight Total Catch
1982-08-16 Standard gill nets 0.2 (below normal) 0.3 – 1.7 2.00 lb 1
1996-08-26 Standard gill nets 0.3 (normal) 0.3 – 1.7 3.20 lb 2
1986-08-25 Standard trap nets 0.5 (normal) 0.3 – 0.9 2.65 lb 2
1975-09-10 Standard gill nets 0.5 (normal) 0.3 – 1.7 2.03 lb 3
1975-09-10 Standard trap nets 0.1 (below normal) 0.3 – 0.9 3.50 lb 1
1991-08-21 Standard gill nets 0.3 (normal) 0.3 – 1.7 1.75 lb 2
1991-08-21 Standard trap nets 0.3 (normal) 0.3 – 0.9 4.00 lb 1
2006-08-28 Standard gill nets 0.2 (below normal) 0.3 – 1.7 1.41 lb 1
2006-08-28 Standard trap nets 0.3 (below normal) 0.3 – 0.9 4.52 lb 2

Bluegill

Date Gear CPUE Normal Range Avg Weight Total Catch
1982-08-16 Standard trap nets 13.5 (normal) 9.5 – 57.3 0.08 lb 54
1982-08-16 Standard gill nets 18.7 0.07 lb 112
2022-08-25 Backpack electrofishing 39.3 37
2022-08-25 15-ft beach seine 119.0 119
2022-08-25 50-ft beach seine 165.9 1327
1996-08-26 Survey seining 35.0 140
1996-08-26 Standard gill nets 6.3 0.11 lb 38
1996-08-26 Standard trap nets 27.4 (normal) 9.5 – 57.3 0.09 lb 219
1986-08-25 Standard gill nets 4.7 0.09 lb 28
1986-08-25 Standard trap nets 43.8 (normal) 9.5 – 57.3 0.09 lb 175
1975-09-10 Standard gill nets 13.3 0.09 lb 80
1975-09-10 Standard trap nets 110.0 (above normal) 9.5 – 57.3 0.09 lb 770
1991-08-21 Standard gill nets 6.2 0.07 lb 37
1991-08-21 Standard trap nets 33.7 (normal) 9.5 – 57.3 0.07 lb 101
2001-08-27 Survey seining 31.5 126
2001-08-27 Standard gill nets 1.0 0.12 lb 6
2001-08-27 Standard trap nets 11.8 (normal) 9.5 – 57.3 0.08 lb 106
2013-08-19 Standard gill nets 0.3 2
2013-08-19 Backpack electrofishing 86.9 75
2013-08-19 Standard trap nets 9.9 (normal) 9.5 – 57.3 0.11 lb 69
2013-08-19 50-ft beach seine 80.4 724
2006-08-28 Standard gill nets 3.3 0.18 lb 20
2006-08-28 Standard trap nets 10.5 (normal) 9.5 – 57.3 0.09 lb 84

Yellow Perch

Date Gear CPUE Normal Range Avg Weight Total Catch
1982-08-16 Standard trap nets 0.3 (below normal) 0.3 – 1.2 0.10 lb 1
2022-08-25 50-ft beach seine 2.4 19
1996-08-26 Survey seining 5.3 0.01 lb 21
1996-08-26 Standard gill nets 0.3 (below normal) 1.0 – 10.3 0.12 lb 2
1986-08-25 Standard trap nets 0.8 (normal) 0.3 – 1.2 0.13 lb 3
1975-09-10 Standard trap nets 0.6 (normal) 0.3 – 1.2 0.10 lb 4
1975-09-10 Standard gill nets 1.2 (normal) 1.0 – 10.3 0.09 lb 7
1991-08-21 Standard gill nets 0.2 (below normal) 1.0 – 10.3 0.10 lb 1
2013-08-19 50-ft beach seine 3.3 30
2013-08-19 Standard gill nets 0.2 (below normal) 1.0 – 10.3 1
2013-08-19 Backpack electrofishing 1.2 1
2013-08-19 Standard trap nets 0.4 (normal) 0.3 – 1.2 0.11 lb 3
2006-08-28 Standard trap nets 0.1 (below normal) 0.3 – 1.2 0.07 lb 1

Walleye

Date Gear CPUE Normal Range Avg Weight Total Catch
1982-08-16 Standard gill nets 0.3 (below normal) 0.5 – 2.3 4.12 lb 2
1996-08-26 Standard gill nets 1.2 (normal) 0.5 – 2.3 2.55 lb 7
1996-08-26 Standard trap nets 0.1 (below normal) 0.3 – 0.5 1.06 lb 1
1986-08-25 Standard gill nets 0.2 (below normal) 0.5 – 2.3 7.75 lb 1
1986-08-25 Standard trap nets 0.5 (normal) 0.3 – 0.5 5.35 lb 2
1975-09-10 Standard gill nets 0.5 (normal) 0.5 – 2.3 3.33 lb 3
1975-09-10 Standard trap nets 0.4 (normal) 0.3 – 0.5 5.10 lb 3
1991-08-21 Standard gill nets 0.5 (normal) 0.5 – 2.3 4.00 lb 3
1991-08-21 Standard trap nets 1.3 (above normal) 0.3 – 0.5 0.60 lb 4
2001-08-27 Standard gill nets 1.0 (normal) 0.5 – 2.3 3.35 lb 6
2001-08-27 Standard trap nets 0.1 (below normal) 0.3 – 0.5 6.28 lb 1
2013-08-19 Standard gill nets 2.3 (above normal) 0.5 – 2.3 1.64 lb 14
2013-08-19 Standard trap nets 0.3 (below normal) 0.3 – 0.5 0.60 lb 2
2013-08-19 Standard electrofishing 11.2 0.31 lb 10
2006-08-28 Standard gill nets 2.5 (above normal) 0.5 – 2.3 2.33 lb 15
2006-08-28 Standard trap nets 0.9 (above normal) 0.3 – 0.5 0.87 lb 7

Pumpkinseed

Date Gear CPUE Normal Range Avg Weight Total Catch
1982-08-16 Standard gill nets 1.5 0.09 lb 9
1982-08-16 Standard trap nets 6.0 (normal) 1.5 – 6.8 0.09 lb 24
2022-08-25 15-ft beach seine 7.0 7
2022-08-25 50-ft beach seine 2.4 19
1996-08-26 Survey seining 10.5 42
1996-08-26 Standard gill nets 1.2 0.15 lb 7
1996-08-26 Standard trap nets 16.1 (above normal) 1.5 – 6.8 0.16 lb 129
1986-08-25 Standard gill nets 0.5 0.08 lb 3
1986-08-25 Standard trap nets 4.0 (normal) 1.5 – 6.8 0.09 lb 16
1975-09-10 Standard gill nets 0.7 0.12 lb 4
1975-09-10 Standard trap nets 14.6 (above normal) 1.5 – 6.8 0.09 lb 102
1991-08-21 Standard gill nets 3.5 0.06 lb 21
1991-08-21 Standard trap nets 9.3 (above normal) 1.5 – 6.8 0.08 lb 28
2001-08-27 Survey seining 0.5 2
2001-08-27 Standard trap nets 2.7 (normal) 1.5 – 6.8 0.17 lb 24
2013-08-19 Standard gill nets 0.2 0.13 lb 1
2013-08-19 Backpack electrofishing 2.3 2
2013-08-19 Standard trap nets 3.9 (normal) 1.5 – 6.8 0.16 lb 27
2013-08-19 50-ft beach seine 1.9 17
2006-08-28 Standard gill nets 0.3 0.12 lb 2
2006-08-28 Standard trap nets 2.0 (normal) 1.5 – 6.8 0.16 lb 16

Yellow Bullhead

Date Gear CPUE Normal Range Avg Weight Total Catch
1982-08-16 Standard gill nets 3.7 (normal) 2.1 – 15.8 0.47 lb 22
2022-08-25 Backpack electrofishing 1.1 1
1996-08-26 Standard gill nets 8.7 (normal) 2.1 – 15.8 0.42 lb 52
1996-08-26 Standard trap nets 1.6 (below normal) 2.7 – 13.5 0.33 lb 13
1986-08-25 Standard gill nets 3.8 (normal) 2.1 – 15.8 0.29 lb 23
1986-08-25 Standard trap nets 14.8 (above normal) 2.7 – 13.5 0.53 lb 59
1975-09-10 Standard gill nets 2.3 (normal) 2.1 – 15.8 0.21 lb 14
1975-09-10 Standard trap nets 7.9 (normal) 2.7 – 13.5 0.27 lb 55
1991-08-21 Standard gill nets 11.7 (normal) 2.1 – 15.8 0.41 lb 70
1991-08-21 Standard trap nets 7.3 (normal) 2.7 – 13.5 0.42 lb 22
2001-08-27 Standard gill nets 5.2 (normal) 2.1 – 15.8 0.38 lb 31
2001-08-27 Standard trap nets 2.3 (below normal) 2.7 – 13.5 0.40 lb 21
2013-08-19 Backpack electrofishing 5.8 5
2013-08-19 Standard trap nets 6.0 (normal) 2.7 – 13.5 0.66 lb 42
2013-08-19 Standard gill nets 17.0 (above normal) 2.1 – 15.8 0.56 lb 102
2006-08-28 Standard trap nets 0.1 (below normal) 2.7 – 13.5 0.29 lb 1

Hybrid Sunfish

Date Gear CPUE Normal Range Avg Weight Total Catch
1982-08-16 Standard gill nets 0.3 0.12 lb 2
2022-08-25 15-ft beach seine 7.0 7
2022-08-25 50-ft beach seine 1.5 12
2022-08-25 Backpack electrofishing 7.4 7
1996-08-26 Survey seining 0.5 2
1996-08-26 Standard gill nets 0.3 0.15 lb 2
1996-08-26 Standard trap nets 1.8 0.15 lb 14
1986-08-25 Standard gill nets 1.2 0.06 lb 7
1986-08-25 Standard trap nets 5.0 0.11 lb 20
1975-09-10 Standard gill nets 0.3 0.10 lb 2
1975-09-10 Standard trap nets 4.7 0.09 lb 33
1991-08-21 Standard trap nets 3.3 0.17 lb 10
2001-08-27 Standard trap nets 0.2 0.12 lb 2
2013-08-19 Standard gill nets 0.2 0.57 lb 1
2013-08-19 Backpack electrofishing 2.3 2
2013-08-19 Standard trap nets 1.6 0.27 lb 11
2013-08-19 50-ft beach seine 0.7 6
2006-08-28 Standard trap nets 0.1 0.19 lb 1

Largemouth Bass

Date Gear CPUE Normal Range Avg Weight Total Catch
1982-08-16 Standard gill nets 0.2 (below normal) 0.4 – 1.6 1.50 lb 1
2022-08-25 Backpack electrofishing 7.4 7
2022-08-25 15-ft beach seine 4.0 4
2022-08-25 50-ft beach seine 18.6 149
1996-08-26 Standard electrofishing 37.4 0.90 lb 40
1996-08-26 Survey seining 3.0 0.17 lb 12
1996-08-26 Standard gill nets 1.2 (normal) 0.4 – 1.6 1.79 lb 7
1996-08-26 Standard trap nets 0.5 (normal) 0.3 – 1.4 0.15 lb 4
1986-08-25 Standard gill nets 0.2 (below normal) 0.4 – 1.6 3.70 lb 1
1986-08-25 Standard trap nets 0.3 (below normal) 0.3 – 1.4 0.30 lb 1
1975-09-10 Standard trap nets 0.1 (below normal) 0.3 – 1.4 0.20 lb 1
1991-08-21 Standard gill nets 1.0 (normal) 0.4 – 1.6 2.08 lb 6
1991-08-21 Standard trap nets 0.7 (normal) 0.3 – 1.4 0.15 lb 2
2001-08-27 Standard electrofishing 54.6 1.06 lb 56
2001-08-27 Survey seining 2.3 9
2001-08-27 Standard gill nets 1.3 (normal) 0.4 – 1.6 1.38 lb 8
2001-08-27 Standard trap nets 0.3 (normal) 0.3 – 1.4 0.91 lb 3
2013-08-19 50-ft beach seine 10.9 98
2013-08-19 Standard electrofishing 80.8 0.60 lb 72
2013-08-19 Standard gill nets 4.0 (above normal) 0.4 – 1.6 0.77 lb 24
2013-08-19 Backpack electrofishing 9.3 8
2013-08-19 Standard trap nets 1.0 (normal) 0.3 – 1.4 0.33 lb 7
2006-08-28 Standard electrofishing 32.9 1.09 lb 23
2006-08-28 Standard gill nets 1.8 (above normal) 0.4 – 1.6 0.64 lb 11
2006-08-28 Standard trap nets 0.3 (below normal) 0.3 – 1.4 0.35 lb 2

CNM

Date Gear CPUE Normal Range Total Catch
2022-08-25 Backpack electrofishing 7.4 7

SFS

Date Gear CPUE Normal Range Total Catch
2022-08-25 Backpack electrofishing 83.9 79
2022-08-25 50-ft beach seine 58.4 467
2013-08-19 Backpack electrofishing 34.8 30
2013-08-19 50-ft beach seine 13.0 117

BNS

Date Gear CPUE Normal Range Total Catch
2022-08-25 50-ft beach seine 113.1 905
2022-08-25 Backpack electrofishing 1.1 1
1996-08-26 Survey seining 57.5 230
2013-08-19 50-ft beach seine 14.4 130

Green Sunfish

Date Gear CPUE Normal Range Avg Weight Total Catch
2022-08-25 Backpack electrofishing 8.5 8
2022-08-25 15-ft beach seine 1.0 1
1975-09-10 Standard trap nets 0.1 (below normal) 0.5 – 0.9 0.10 lb 1
2013-08-19 Backpack electrofishing 2.3 2

Tadpole Madtom

Date Gear CPUE Normal Range Total Catch
2022-08-25 Backpack electrofishing 1.1 1

Iowa Darter

Date Gear CPUE Normal Range Total Catch
2022-08-25 15-ft beach seine 1.0 1
2022-08-25 50-ft beach seine 5.0 40
2022-08-25 Backpack electrofishing 3.2 3
2013-08-19 Backpack electrofishing 3.5 3

Golden Shiner

Date Gear CPUE Normal Range Avg Weight Total Catch
2022-08-25 50-ft beach seine 2.4 19
1975-09-10 Standard trap nets 0.3 (normal) 0.1 – 0.5 0.10 lb 2

Bluntnose Minnow

Date Gear CPUE Normal Range Total Catch
2022-08-25 50-ft beach seine 96.4 771
2022-08-25 Backpack electrofishing 26.6 25
2022-08-25 15-ft beach seine 1.0 1
2013-08-19 Backpack electrofishing 32.4 28
2013-08-19 50-ft beach seine 20.6 185

BCS

Date Gear CPUE Normal Range Total Catch
2022-08-25 50-ft beach seine 11.9 95
2022-08-25 15-ft beach seine 3.0 3
2013-08-19 50-ft beach seine 0.7 6

BKF

Date Gear CPUE Normal Range Total Catch
2022-08-25 50-ft beach seine 7.6 61
2022-08-25 Backpack electrofishing 19.1 18
1996-08-26 Survey seining 0.5 2
2013-08-19 Backpack electrofishing 1.2 1
2013-08-19 50-ft beach seine 1.7 15

PGS

Date Gear CPUE Normal Range Total Catch
2022-08-25 50-ft beach seine 0.6 5

EMS

Date Gear CPUE Normal Range Total Catch
1996-08-26 Survey seining 2.3 9

Black Crappie

Date Gear CPUE Normal Range Avg Weight Total Catch
1996-08-26 Standard gill nets 2.3 (normal) 1.0 – 3.9 0.23 lb 14
1996-08-26 Standard trap nets 1.9 (normal) 0.8 – 4.0 0.30 lb 15
1986-08-25 Standard trap nets 0.5 (below normal) 0.8 – 4.0 0.25 lb 2
1975-09-10 Standard gill nets 0.5 (below normal) 1.0 – 3.9 0.30 lb 3
1991-08-21 Standard gill nets 1.2 (normal) 1.0 – 3.9 0.29 lb 7
1991-08-21 Standard trap nets 0.7 (below normal) 0.8 – 4.0 0.20 lb 2
2001-08-27 Standard gill nets 0.3 (below normal) 1.0 – 3.9 0.22 lb 2
2013-08-19 Standard gill nets 0.3 (below normal) 1.0 – 3.9 0.17 lb 2
2013-08-19 Standard trap nets 1.0 (normal) 0.8 – 4.0 0.19 lb 7
2006-08-28 Standard gill nets 0.8 (below normal) 1.0 – 3.9 0.26 lb 5
2006-08-28 Standard trap nets 0.6 (below normal) 0.8 – 4.0 0.38 lb 5

Spottail Shiner

Date Gear CPUE Normal Range Total Catch
2001-08-27 Survey seining 1.8 7

Johnny Darter

Date Gear CPUE Normal Range Total Catch
2001-08-27 Survey seining 0.3 1

Sunfish

Date Gear CPUE Normal Range Total Catch
2013-08-19 50-ft beach seine 1.7 15

Mimic Shiner

Date Gear CPUE Normal Range Total Catch
2013-08-19 Backpack electrofishing 38.2 33
2013-08-19 50-ft beach seine 10.8 97

Bowfin

Date Gear CPUE Normal Range Total Catch
2006-08-28 Standard gill nets 1.0 (normal) 0.3 – 1.0 6

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Fish Species

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

Black BullheadBlack CrappieBluegillGreen 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.