Byllesby

Dakota County, Minnesota — DOW #19000600

303 Surveys

Invasive Species Alert

Byllesby has confirmed populations of:

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

1,368.31
Acres
50 ft
Max Depth
0
19
Fish Species
1
Local Guides

DNR Fish Surveys

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

Black Bullhead

Date Gear CPUE Normal Range Avg Weight Total Catch
1980-07-07 Standard trap nets 70.8 (above normal) 0.3 – 2.8 0.10 lb 1203
1980-07-07 Standard gill nets 126.8 (above normal) 0.6 – 9.5 0.08 lb 761
1983-08-10 Standard trap nets 33.8 (above normal) 0.3 – 2.8 0.32 lb 338
1983-08-10 Standard gill nets 11.0 (above normal) 0.6 – 9.5 0.19 lb 66
1985-08-06 Standard trap nets 17.4 (above normal) 0.3 – 2.8 0.43 lb 244
1985-08-06 Standard gill nets 22.7 (above normal) 0.6 – 9.5 0.47 lb 136
2023-06-13 Standard trap nets 0.1 (below normal) 0.3 – 2.8 0.29 lb 1
2023-06-13 Standard gill nets 2.1 (normal) 0.6 – 9.5 0.24 lb 17
1988-08-15 Standard gill nets 40.0 (above normal) 0.6 – 9.5 0.26 lb 240
1988-08-15 Standard trap nets 13.3 (above normal) 0.3 – 2.8 0.50 lb 199
1989-08-15 Standard trap nets 29.1 (above normal) 0.3 – 2.8 0.25 lb 437
1989-08-15 Standard gill nets 12.3 (above normal) 0.6 – 9.5 0.25 lb 74
1993-05-13 Standard gill nets 7.0 (normal) 0.6 – 9.5 0.33 lb 42
1993-05-13 Standard trap nets 10.5 (above normal) 0.3 – 2.8 0.54 lb 157
1993-05-13 Standard electrofishing 1.6 0.10 lb 2
2019-06-03 Standard trap nets 0.2 (below normal) 0.3 – 2.8 0.21 lb 2
2019-06-03 Standard gill nets 12.8 (above normal) 0.6 – 9.5 0.19 lb 115
1987-06-15 Standard trap nets 21.8 (above normal) 0.3 – 2.8 0.30 lb 174
1987-06-15 Standard gill nets 11.0 (above normal) 0.6 – 9.5 0.32 lb 44

White Crappie

Date Gear CPUE Normal Range Avg Weight Total Catch
1980-07-07 Standard gill nets 10.2 (above normal) 0.6 – 6.6 0.06 lb 61
1980-07-07 Standard trap nets 0.3 (below normal) 0.6 – 1.9 0.12 lb 5
1983-08-10 Standard gill nets 1.8 (normal) 0.6 – 6.6 0.31 lb 11
1983-08-10 Standard trap nets 1.7 (normal) 0.6 – 1.9 0.34 lb 17
1985-08-06 Standard trap nets 0.7 (normal) 0.6 – 1.9 0.38 lb 10
1988-08-15 Standard trap nets 0.3 (below normal) 0.6 – 1.9 0.33 lb 4
1988-08-15 Standard gill nets 0.3 (below normal) 0.6 – 6.6 0.30 lb 2
1989-08-15 Standard trap nets 0.3 (below normal) 0.6 – 1.9 0.38 lb 4
1993-05-13 Standard trap nets 0.4 (below normal) 0.6 – 1.9 0.40 lb 6
2014-06-09 Standard gill nets 0.1 (below normal) 0.6 – 6.6 0.04 lb 1
2014-06-09 Standard trap nets 0.7 (normal) 0.6 – 1.9 0.41 lb 6
2019-06-03 Standard gill nets 2.0 (normal) 0.6 – 6.6 0.06 lb 18
2019-06-03 Standard trap nets 0.7 (normal) 0.6 – 1.9 0.54 lb 6

SLR

Date Gear CPUE Normal Range Avg Weight Total Catch
1980-07-07 Standard trap nets 0.1 0.10 lb 1
1980-07-07 Standard gill nets 0.2 2.50 lb 1
1988-08-15 Standard gill nets 0.3 1.95 lb 2

Northern Pike

Date Gear CPUE Normal Range Avg Weight Total Catch
1980-07-07 Standard gill nets 6.2 (normal) 3.1 – 8.5 2.46 lb 37
1980-07-07 Standard trap nets 0.2 1.38 lb 4
1983-08-10 Standard gill nets 0.5 (below normal) 3.1 – 8.5 1.20 lb 3
1983-08-10 Standard trap nets 0.5 7.04 lb 5
1985-08-06 Standard gill nets 0.3 (below normal) 3.1 – 8.5 4.20 lb 2
1985-08-06 Standard trap nets 0.3 3.00 lb 4
2023-06-13 Standard gill nets 1.5 (below normal) 3.1 – 8.5 2.04 lb 12
1988-08-15 Standard gill nets 8.5 (normal) 3.1 – 8.5 2.17 lb 51
1988-08-15 Standard trap nets 5.5 2.00 lb 83
1989-08-15 Standard gill nets 0.2 (below normal) 3.1 – 8.5 4.80 lb 1
1989-08-15 Standard trap nets 1.4 4.40 lb 21
1993-05-13 Standard electrofishing 1.6 4.30 lb 2
1993-05-13 Standard gill nets 0.2 (below normal) 3.1 – 8.5 3.31 lb 1
1993-05-13 Standard trap nets 0.3 5.30 lb 4
2014-06-09 Standard gill nets 0.3 (below normal) 3.1 – 8.5 2.16 lb 3
2019-06-03 Standard gill nets 1.4 (below normal) 3.1 – 8.5 2.76 lb 13
1987-06-15 Standard gill nets 2.0 (below normal) 3.1 – 8.5 1.31 lb 8
1987-06-15 Standard trap nets 1.3 1.05 lb 10

Freshwater Drum

Date Gear CPUE Normal Range Avg Weight Total Catch
1980-07-07 Standard trap nets 0.5 (normal) 0.5 – 2.4 0.42 lb 9
1983-08-10 Standard trap nets 5.2 (above normal) 0.5 – 2.4 0.44 lb 52
1983-08-10 Standard gill nets 7.0 (normal) 0.8 – 10.5 0.22 lb 42
1985-08-06 Standard trap nets 2.1 (normal) 0.5 – 2.4 0.43 lb 29
1985-08-06 Standard gill nets 7.7 (normal) 0.8 – 10.5 0.28 lb 46
2023-06-13 Standard trap nets 0.9 (normal) 0.5 – 2.4 0.93 lb 7
2023-06-13 Standard gill nets 18.1 (above normal) 0.8 – 10.5 0.91 lb 145
1988-08-15 Standard trap nets 0.2 (below normal) 0.5 – 2.4 2.20 lb 3
1988-08-15 Standard gill nets 1.5 (normal) 0.8 – 10.5 0.84 lb 9
1989-08-15 Standard trap nets 0.9 (normal) 0.5 – 2.4 0.99 lb 14
1989-08-15 Standard gill nets 0.5 (below normal) 0.8 – 10.5 0.70 lb 3
1993-05-13 Standard trap nets 1.2 (normal) 0.5 – 2.4 0.69 lb 18
1993-05-13 Standard electrofishing 1.6 0.83 lb 2
1993-05-13 Standard gill nets 2.3 (normal) 0.8 – 10.5 0.24 lb 14
2014-06-09 Standard trap nets 0.6 (normal) 0.5 – 2.4 0.64 lb 5
2014-06-09 Standard gill nets 8.9 (normal) 0.8 – 10.5 0.26 lb 80
2019-06-03 Standard trap nets 2.1 (normal) 0.5 – 2.4 0.73 lb 19
2019-06-03 Standard gill nets 48.7 (above normal) 0.8 – 10.5 0.37 lb 438
1987-06-15 Standard trap nets 2.4 (normal) 0.5 – 2.4 0.36 lb 19
1987-06-15 Standard gill nets 0.3 (below normal) 0.8 – 10.5 0.10 lb 1

Common Carp

Date Gear CPUE Normal Range Avg Weight Total Catch
1980-07-07 Standard gill nets 29.7 (above normal) 0.2 – 1.7 0.94 lb 178
1980-07-07 Standard trap nets 60.0 (above normal) 0.2 – 1.1 0.86 lb 1020
1983-08-10 Standard gill nets 13.3 (above normal) 0.2 – 1.7 0.85 lb 80
1983-08-10 Standard trap nets 106.4 (above normal) 0.2 – 1.1 1.10 lb 1064
1985-08-06 Standard gill nets 34.7 (above normal) 0.2 – 1.7 1.26 lb 208
1985-08-06 Standard trap nets 12.7 (above normal) 0.2 – 1.1 1.50 lb 178
2023-06-13 Standard gill nets 0.4 (normal) 0.2 – 1.7 8.97 lb 3
2023-06-13 Standard trap nets 0.9 (normal) 0.2 – 1.1 9.34 lb 7
1988-08-15 Standard gill nets 208.3 (above normal) 0.2 – 1.7 0.50 lb 1250
1988-08-15 Standard trap nets 98.0 (above normal) 0.2 – 1.1 0.50 lb 1470
1989-08-15 Standard gill nets 200.2 (above normal) 0.2 – 1.7 0.97 lb 1201
1989-08-15 Standard trap nets 50.9 (above normal) 0.2 – 1.1 0.48 lb 763
1993-05-13 Standard gill nets 25.5 (above normal) 0.2 – 1.7 1.02 lb 153
1993-05-13 Standard trap nets 29.3 (above normal) 0.2 – 1.1 1.53 lb 440
1993-05-13 Standard electrofishing 37.4 4.11 lb 48
2014-06-09 Standard gill nets 3.2 (above normal) 0.2 – 1.7 3.22 lb 29
2014-06-09 Standard trap nets 3.8 (above normal) 0.2 – 1.1 2.83 lb 34
2019-06-03 Standard gill nets 0.2 (normal) 0.2 – 1.7 9.46 lb 2
2019-06-03 Standard trap nets 2.2 (above normal) 0.2 – 1.1 4.89 lb 20
1987-06-15 Standard gill nets 15.5 (above normal) 0.2 – 1.7 1.40 lb 62
1987-06-15 Standard trap nets 3.3 (above normal) 0.2 – 1.1 1.33 lb 26

Hybrid Sunfish

Date Gear CPUE Normal Range Avg Weight Total Catch
1980-07-07 Standard gill nets 0.2 0.10 lb 1
1980-07-07 Standard trap nets 0.1 0.30 lb 1

Shorthead Redhorse

Date Gear CPUE Normal Range Avg Weight Total Catch
1980-07-07 Standard gill nets 0.7 (normal) 0.2 – 1.2 1.18 lb 4
1983-08-10 Standard gill nets 0.8 (normal) 0.2 – 1.2 0.68 lb 5
1983-08-10 Standard trap nets 4.3 (above normal) 0.3 – 3.9 1.25 lb 43
1985-08-06 Standard gill nets 0.2 (below normal) 0.2 – 1.2 0.20 lb 1
1985-08-06 Standard trap nets 0.7 (normal) 0.3 – 3.9 1.23 lb 10
2023-06-13 Standard gill nets 3.6 (above normal) 0.2 – 1.2 1.79 lb 29
2023-06-13 Standard trap nets 0.6 (normal) 0.3 – 3.9 2.24 lb 5
1988-08-15 Standard gill nets 5.2 (above normal) 0.2 – 1.2 0.75 lb 31
1988-08-15 Standard trap nets 7.9 (above normal) 0.3 – 3.9 0.60 lb 118
1989-08-15 Standard gill nets 1.2 (normal) 0.2 – 1.2 0.26 lb 7
1989-08-15 Standard trap nets 11.4 (above normal) 0.3 – 3.9 1.20 lb 171
1993-05-13 Standard gill nets 1.2 (normal) 0.2 – 1.2 0.72 lb 7
1993-05-13 Standard trap nets 2.1 (normal) 0.3 – 3.9 0.84 lb 32
1993-05-13 Standard electrofishing 3.9 0.76 lb 5
2014-06-09 Standard gill nets 0.2 (normal) 0.2 – 1.2 1.10 lb 2
2014-06-09 Standard trap nets 1.1 (normal) 0.3 – 3.9 1.68 lb 10
2019-06-03 Standard gill nets 2.0 (above normal) 0.2 – 1.2 1.43 lb 18
1987-06-15 Standard gill nets 4.0 (above normal) 0.2 – 1.2 1.14 lb 16
1987-06-15 Standard trap nets 8.9 (above normal) 0.3 – 3.9 1.14 lb 71

QBS

Date Gear CPUE Normal Range Avg Weight Total Catch
1980-07-07 Standard trap nets 0.3 0.84 lb 5
1983-08-10 Standard trap nets 0.2 1.05 lb 2
2023-06-13 Standard gill nets 0.1 3.11 lb 1
1988-08-15 Standard gill nets 1.3 1.12 lb 8
1988-08-15 Standard trap nets 1.1 0.42 lb 17
1989-08-15 Standard gill nets 13.7 1.17 lb 82
1989-08-15 Standard trap nets 0.3 1.20 lb 4
1993-05-13 Standard electrofishing 1.6 1.87 lb 2
1993-05-13 Standard gill nets 1.3 1.58 lb 8
1993-05-13 Standard trap nets 0.1 0.97 lb 1
1987-06-15 Standard gill nets 0.5 1.15 lb 2
1987-06-15 Standard trap nets 0.3 2.10 lb 2

Walleye

Date Gear CPUE Normal Range Avg Weight Total Catch
1980-07-07 Standard gill nets 14.5 (above normal) 1.3 – 5.5 0.52 lb 87
1980-07-07 Standard trap nets 0.5 (normal) 0.2 – 0.7 0.53 lb 8
1983-08-10 Standard gill nets 1.5 (normal) 1.3 – 5.5 1.41 lb 9
1983-08-10 Standard trap nets 0.5 (normal) 0.2 – 0.7 3.46 lb 5
1985-08-06 Standard gill nets 2.8 (normal) 1.3 – 5.5 1.49 lb 17
1985-08-06 Standard trap nets 0.6 (normal) 0.2 – 0.7 1.77 lb 8
2023-06-13 Standard gill nets 2.1 (normal) 1.3 – 5.5 1.47 lb 17
2023-06-13 Standard trap nets 0.3 (normal) 0.2 – 0.7 2.41 lb 2
1988-08-15 Standard gill nets 1.0 (below normal) 1.3 – 5.5 1.98 lb 6
1988-08-15 Standard trap nets 0.4 (normal) 0.2 – 0.7 2.05 lb 6
1989-08-15 Standard gill nets 0.3 (below normal) 1.3 – 5.5 1.80 lb 2
1989-08-15 Standard trap nets 1.7 (above normal) 0.2 – 0.7 0.98 lb 25
1993-05-13 Standard gill nets 1.2 (below normal) 1.3 – 5.5 0.43 lb 7
1993-05-13 Standard trap nets 0.4 (normal) 0.2 – 0.7 1.45 lb 6
2014-06-09 Standard gill nets 0.4 (below normal) 1.3 – 5.5 2.85 lb 4
2014-06-09 Standard trap nets 0.2 (normal) 0.2 – 0.7 2.26 lb 2
2019-06-03 Standard electrofishing 68.8 0.34 lb 79
2019-06-03 Standard gill nets 1.7 (normal) 1.3 – 5.5 1.47 lb 15
1987-06-15 Standard gill nets 0.3 (below normal) 1.3 – 5.5 0.80 lb 1
1987-06-15 Standard trap nets 0.8 (above normal) 0.2 – 0.7 0.47 lb 6

White Sucker

Date Gear CPUE Normal Range Avg Weight Total Catch
1980-07-07 Standard gill nets 14.8 (above normal) 0.5 – 3.5 0.52 lb 89
1983-08-10 Standard gill nets 3.0 (normal) 0.5 – 3.5 0.67 lb 18
1983-08-10 Standard trap nets 2.8 (above normal) 0.2 – 1.0 0.66 lb 28
1985-08-06 Standard gill nets 2.3 (normal) 0.5 – 3.5 1.16 lb 14
1985-08-06 Standard trap nets 0.6 (normal) 0.2 – 1.0 1.38 lb 8
2023-06-13 Standard gill nets 9.0 (above normal) 0.5 – 3.5 1.67 lb 72
1988-08-15 Standard trap nets 0.3 (normal) 0.2 – 1.0 1.10 lb 5
1988-08-15 Standard gill nets 2.7 (normal) 0.5 – 3.5 0.23 lb 16
1989-08-15 Standard trap nets 2.2 (above normal) 0.2 – 1.0 1.10 lb 33
1993-05-13 Standard trap nets 2.1 (above normal) 0.2 – 1.0 2.43 lb 31
1993-05-13 Standard electrofishing 7.0 1.92 lb 9
1993-05-13 Standard gill nets 0.5 (normal) 0.5 – 3.5 0.90 lb 3
2014-06-09 Standard gill nets 1.2 (normal) 0.5 – 3.5 1.81 lb 11
2014-06-09 Standard trap nets 0.2 (normal) 0.2 – 1.0 2.31 lb 2
2019-06-03 Standard gill nets 5.4 (above normal) 0.5 – 3.5 1.52 lb 49
2019-06-03 Standard trap nets 0.2 (normal) 0.2 – 1.0 2.38 lb 2
1987-06-15 Standard gill nets 0.8 (normal) 0.5 – 3.5 0.77 lb 3
1987-06-15 Standard trap nets 3.8 (above normal) 0.2 – 1.0 1.05 lb 30

BIB

Date Gear CPUE Normal Range Avg Weight Total Catch
1980-07-07 Standard gill nets 0.2 0.30 lb 1
1980-07-07 Standard trap nets 0.9 (above normal) 0.2 – 0.5 2.71 lb 15
1983-08-10 Standard trap nets 0.5 (normal) 0.2 – 0.5 3.88 lb 5
1985-08-06 Standard trap nets 0.1 (below normal) 0.2 – 0.5 7.65 lb 2
2023-06-13 Standard gill nets 4.1 3.10 lb 33
1988-08-15 Standard trap nets 0.9 (above normal) 0.2 – 0.5 5.65 lb 13
1989-08-15 Standard gill nets 0.2 4.60 lb 1
1989-08-15 Standard trap nets 0.1 (below normal) 0.2 – 0.5 5.50 lb 2
1993-05-13 Standard trap nets 0.3 (normal) 0.2 – 0.5 2.91 lb 4
1993-05-13 Standard electrofishing 0.8 3.09 lb 1
2019-06-03 Standard trap nets 0.2 (normal) 0.2 – 0.5 8.51 lb 2
1987-06-15 Standard trap nets 0.3 (normal) 0.2 – 0.5 4.05 lb 2

Black Crappie

Date Gear CPUE Normal Range Avg Weight Total Catch
1980-07-07 Standard gill nets 35.8 (above normal) 0.5 – 2.7 0.08 lb 215
1980-07-07 Standard trap nets 8.3 (above normal) 0.7 – 3.2 0.23 lb 141
1983-08-10 Standard gill nets 18.7 (above normal) 0.5 – 2.7 0.12 lb 112
1983-08-10 Standard trap nets 4.5 (above normal) 0.7 – 3.2 0.32 lb 45
1985-08-06 Standard gill nets 3.2 (above normal) 0.5 – 2.7 0.53 lb 19
1985-08-06 Standard trap nets 1.4 (normal) 0.7 – 3.2 0.46 lb 19
2023-06-13 Standard gill nets 9.8 (above normal) 0.5 – 2.7 0.36 lb 78
2023-06-13 Standard trap nets 1.8 (normal) 0.7 – 3.2 0.38 lb 14
1988-08-15 Standard gill nets 0.2 (below normal) 0.5 – 2.7 0.20 lb 1
1988-08-15 Standard trap nets 0.6 (below normal) 0.7 – 3.2 0.30 lb 9
1989-08-15 Standard gill nets 1.2 (normal) 0.5 – 2.7 0.34 lb 7
1989-08-15 Standard trap nets 2.1 (normal) 0.7 – 3.2 0.24 lb 31
1993-05-13 Standard gill nets 0.3 (below normal) 0.5 – 2.7 0.23 lb 2
1993-05-13 Standard trap nets 6.7 (above normal) 0.7 – 3.2 0.41 lb 100
2014-06-09 Standard trap nets 6.2 (above normal) 0.7 – 3.2 0.47 lb 56
2019-06-03 Standard gill nets 13.2 (above normal) 0.5 – 2.7 0.33 lb 119
2019-06-03 Standard trap nets 2.6 (normal) 0.7 – 3.2 0.50 lb 23
1987-06-15 Standard trap nets 0.1 (below normal) 0.7 – 3.2 0.50 lb 1

Yellow Perch

Date Gear CPUE Normal Range Avg Weight Total Catch
1980-07-07 Standard gill nets 1.8 (below normal) 2.5 – 24.2 0.12 lb 11
1983-08-10 Standard gill nets 1.5 (below normal) 2.5 – 24.2 0.18 lb 9
1985-08-06 Standard gill nets 2.7 (normal) 2.5 – 24.2 0.27 lb 16
2023-06-13 Standard gill nets 19.3 (normal) 2.5 – 24.2 0.38 lb 154
1988-08-15 Standard gill nets 0.5 (below normal) 2.5 – 24.2 0.10 lb 3
1993-05-13 Standard gill nets 0.2 (below normal) 2.5 – 24.2 0.31 lb 1
2014-06-09 Standard gill nets 0.2 (below normal) 2.5 – 24.2 0.18 lb 2
2019-06-03 Standard gill nets 4.1 (normal) 2.5 – 24.2 0.32 lb 37

Largemouth Bass

Date Gear CPUE Normal Range Avg Weight Total Catch
1980-07-07 Standard trap nets 0.2 (below normal) 0.3 – 1.1 0.28 lb 4
1983-08-10 Standard trap nets 0.2 (below normal) 0.3 – 1.1 1.25 lb 2
1989-08-15 Standard trap nets 0.1 (below normal) 0.3 – 1.1 0.80 lb 1
1993-05-13 Standard electrofishing 0.8 0.03 lb 1
1993-05-13 Survey seining 1.0 4
2019-06-03 Standard electrofishing 34.8 1.17 lb 40
1987-06-15 Standard trap nets 0.1 (below normal) 0.3 – 1.1 1.50 lb 1

Bluegill

Date Gear CPUE Normal Range Avg Weight Total Catch
1980-07-07 Standard trap nets 0.1 (below normal) 5.6 – 42.3 0.20 lb 1
1983-08-10 Standard trap nets 0.9 (below normal) 5.6 – 42.3 0.16 lb 9
2023-06-13 Standard gill nets 0.8 0.45 lb 6
2023-06-13 Standard trap nets 1.1 (below normal) 5.6 – 42.3 0.33 lb 9
1988-08-15 Standard gill nets 0.2 0.20 lb 1
1988-08-15 Standard trap nets 19.3 (normal) 5.6 – 42.3 0.20 lb 289
1989-08-15 Standard trap nets 8.7 (normal) 5.6 – 42.3 0.21 lb 130
1993-05-13 Survey seining 0.5 2
1993-05-13 Standard trap nets 0.7 (below normal) 5.6 – 42.3 0.27 lb 10
2014-06-09 Standard trap nets 1.4 (below normal) 5.6 – 42.3 0.40 lb 13
2019-06-03 Standard trap nets 0.4 (below normal) 5.6 – 42.3 0.57 lb 4
1987-06-15 Standard trap nets 0.1 (below normal) 5.6 – 42.3 0.10 lb 1

White Bass

Date Gear CPUE Normal Range Avg Weight Total Catch
1983-08-10 Standard gill nets 0.7 (below normal) 0.7 – 1.7 0.30 lb 4
1983-08-10 Standard trap nets 0.4 (normal) 0.2 – 0.7 0.45 lb 4
1985-08-06 Standard gill nets 1.7 (normal) 0.7 – 1.7 0.72 lb 10
1985-08-06 Standard trap nets 0.2 (normal) 0.2 – 0.7 0.60 lb 3
2023-06-13 Standard gill nets 0.3 (below normal) 0.7 – 1.7 1.10 lb 2
2023-06-13 Standard trap nets 0.1 (below normal) 0.2 – 0.7 1.77 lb 1
1988-08-15 Standard trap nets 0.2 (normal) 0.2 – 0.7 0.50 lb 3
1988-08-15 Standard gill nets 1.5 (normal) 0.7 – 1.7 0.56 lb 9
1989-08-15 Standard gill nets 0.5 (below normal) 0.7 – 1.7 0.60 lb 3
1989-08-15 Standard trap nets 1.8 (above normal) 0.2 – 0.7 0.56 lb 27
1993-05-13 Standard trap nets 1.0 (above normal) 0.2 – 0.7 0.60 lb 15
1993-05-13 Standard gill nets 0.2 (below normal) 0.7 – 1.7 0.35 lb 1
2019-06-03 Standard gill nets 0.1 (below normal) 0.7 – 1.7 0.58 lb 1
2019-06-03 Standard electrofishing 43.5 0.09 lb 50
1987-06-15 Standard gill nets 0.3 (below normal) 0.7 – 1.7 0.90 lb 1
1987-06-15 Standard trap nets 0.3 (normal) 0.2 – 0.7 0.25 lb 2

Green Sunfish

Date Gear CPUE Normal Range Avg Weight Total Catch
1983-08-10 Standard trap nets 0.2 (normal) 0.2 – 0.9 0.05 lb 2
1988-08-15 Standard gill nets 0.5 (above normal) 0.2 – 0.4 0.07 lb 3
1988-08-15 Standard trap nets 0.1 (below normal) 0.2 – 0.9 0.10 lb 2

Channel Catfish

Date Gear CPUE Normal Range Avg Weight Total Catch
1983-08-10 Standard gill nets 0.7 0.15 lb 4
1983-08-10 Standard trap nets 0.2 0.60 lb 2
1985-08-06 Standard gill nets 1.8 1.45 lb 11
2023-06-13 Standard gill nets 8.1 2.90 lb 65
1988-08-15 Standard trap nets 0.3 0.22 lb 5
1988-08-15 Standard gill nets 1.8 0.67 lb 11
1989-08-15 Standard gill nets 1.8 0.45 lb 11
1989-08-15 Standard trap nets 0.7 0.35 lb 11
1993-05-13 Standard trap nets 2.1 2.64 lb 31
1993-05-13 Standard electrofishing 2.3 2.87 lb 3
1993-05-13 Standard gill nets 1.3 1.62 lb 8
2014-06-09 Standard gill nets 0.7 1.85 lb 6
2014-06-09 Standard trap nets 0.4 2.70 lb 4
2019-06-03 Standard gill nets 8.2 1.59 lb 74
2019-06-03 Standard trap nets 0.2 2.00 lb 2
1987-06-15 Standard gill nets 0.5 2.90 lb 2

GLR

Date Gear CPUE Normal Range Avg Weight Total Catch
1983-08-10 Standard gill nets 0.7 0.85 lb 4
1983-08-10 Standard trap nets 2.0 1.26 lb 20
1985-08-06 Standard gill nets 1.8 1.11 lb 11
1985-08-06 Standard trap nets 0.3 1.57 lb 4
2023-06-13 Standard trap nets 0.1 3.10 lb 1
1988-08-15 Standard gill nets 1.5 1.18 lb 9
1988-08-15 Standard trap nets 1.3 1.61 lb 20
1989-08-15 Standard gill nets 1.7 0.44 lb 10
1989-08-15 Standard trap nets 5.1 1.92 lb 76
1993-05-13 Standard gill nets 16.7 1.04 lb 100
1993-05-13 Standard trap nets 2.5 0.93 lb 38
1993-05-13 Standard electrofishing 39.0 1.13 lb 50
2014-06-09 Standard gill nets 0.1 1.76 lb 1
2014-06-09 Standard trap nets 0.7 2.58 lb 6
2019-06-03 Standard gill nets 1.9 1.98 lb 17
2019-06-03 Standard trap nets 0.6 2.29 lb 5
1987-06-15 Standard gill nets 17.5 1.10 lb 70
1987-06-15 Standard trap nets 11.3 1.10 lb 90

Yellow Bullhead

Date Gear CPUE Normal Range Avg Weight Total Catch
1983-08-10 Standard trap nets 0.5 (below normal) 1.5 – 7.7 0.66 lb 5
1985-08-06 Standard gill nets 22.7 (above normal) 0.9 – 10.0 0.47 lb 136
1985-08-06 Standard trap nets 0.1 (below normal) 1.5 – 7.7 1.05 lb 2
1988-08-15 Standard trap nets 0.4 (below normal) 1.5 – 7.7 0.30 lb 6
1988-08-15 Standard gill nets 0.2 (below normal) 0.9 – 10.0 0.10 lb 1
1989-08-15 Standard gill nets 0.3 (below normal) 0.9 – 10.0 0.50 lb 2
1989-08-15 Standard trap nets 0.7 (below normal) 1.5 – 7.7 0.47 lb 10
1987-06-15 Standard gill nets 0.3 (below normal) 0.9 – 10.0 0.40 lb 1
1987-06-15 Standard trap nets 0.5 (below normal) 1.5 – 7.7 0.72 lb 4

CRP

Date Gear CPUE Normal Range Avg Weight Total Catch
1985-08-06 Standard trap nets 12.7 1.50 lb 178

Bowfin

Date Gear CPUE Normal Range Avg Weight Total Catch
1985-08-06 Standard trap nets 0.1 (below normal) 0.4 – 1.0 3.00 lb 1
1988-08-15 Standard trap nets 0.1 (below normal) 0.4 – 1.0 5.50 lb 1
1993-05-13 Standard trap nets 0.4 (normal) 0.4 – 1.0 3.75 lb 6
1993-05-13 Standard electrofishing 0.8 2.20 lb 1
2014-06-09 Standard trap nets 0.1 (below normal) 0.4 – 1.0 6.47 lb 1
1987-06-15 Standard trap nets 0.1 (below normal) 0.4 – 1.0 3.20 lb 1

Smallmouth Bass

Date Gear CPUE Normal Range Avg Weight Total Catch
2023-06-13 Standard gill nets 0.3 (normal) 0.2 – 1.0 1.98 lb 2
1988-08-15 Standard trap nets 0.1 (below normal) 0.1 – 0.4 0.20 lb 1
1989-08-15 Standard trap nets 0.1 (normal) 0.1 – 0.4 0.35 lb 2
1993-05-13 Standard electrofishing 1.6 0.22 lb 2
2019-06-03 Standard electrofishing 7.0 0.41 lb 8

Pumpkinseed

Date Gear CPUE Normal Range Avg Weight Total Catch
1988-08-15 Standard trap nets 0.3 (below normal) 1.7 – 8.2 0.10 lb 4
1989-08-15 Standard trap nets 0.1 (below normal) 1.7 – 8.2 0.25 lb 2

GRR

Date Gear CPUE Normal Range Avg Weight Total Catch
1989-08-15 Standard trap nets 0.1 3.10 lb 1

EMS

Date Gear CPUE Normal Range Total Catch
1993-05-13 Survey seining 0.3 1

Bluntnose Minnow

Date Gear CPUE Normal Range Total Catch
1993-05-13 Survey seining 0.5 2

Golden Shiner

Date Gear CPUE Normal Range Total Catch
1993-05-13 Survey seining 0.3 1

FCF

Date Gear CPUE Normal Range Avg Weight Total Catch
2019-06-03 Standard gill nets 0.1 0.57 lb 1

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Fish Species

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

Bigmouth BuffaloBlack BullheadBlack CrappieBluegillChannel CatfishCommon CarpFlathead CatfishFreshwater DrumGolden RedhorseLargemouth BassNorthern PikeQuillbackShorthead RedhorseSmallmouth BassWalleyeWhite BassWhite CrappieWhite 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.